When is the best time to go to Friday Harbor
The chart above shows the best time of year to visit Friday Harbor, United States. These are based on an analysis of weather averages such as temperature, rainfall and number of hours of sunshine. These ratings are based solely on the climate and do not take into account other factors such as accommodation prices and how busy it is likely to be.
Average temperatures in Friday Harbor
Friday Harbor weather by month
Please note our recommendations for when to visit Friday Harbor are based solely on the weather and do not take into accounts accommodation prices, how busy it will be and what events are on.
January
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 6°C | 101mm | 2.2hrs | 10hrs | 8°C |
The weather in January in Friday Harbor is characteristically cool and damp.
Based on weather alone, this is probably a time of year to avoid going to Friday Harbor for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
January is in the winter in Friday Harbor and is typically the coldest month of the year. Daytime maximum temperatures average around a cold 7°C (44°F), whilst at night 2°C (35°F) is normal.
On average January is the driest month of the year in Friday Harbor with around 101mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 2.2 hours of sunshine per day.
Friday Harbor weather in January »
February
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 7°C | 72mm | 3.6hrs | 11.3hrs | 8°C |
February in Friday Harbor is generally reasonably dry with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Friday Harbor for your holidays. The weather is often not a good and not conducive to spending time outdoors.
February is in the winter in Friday Harbor and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 8°C (47°F), whilst at night 3°C (37°F) is normal.
On average February is the 2nd driest month of the year in Friday Harbor with around 72mm 2.8 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 16 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.6 hours of sunshine per day.
Friday Harbor weather in February »
March
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 9°C | 55mm | 4.9hrs | 12.9hrs | 8°C |
The weather in March in Friday Harbor is characteristically cool and reasonably dry.
Although outside the main holiday season, there is still plenty of pretty acceptable weather around this time of year. This makes it an okay time to visit Friday Harbor.
March is in the spring in Friday Harbor and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 10°C (51°F), whilst at night 4°C (39°F) is normal.
On average March is the 3rd driest month of the year in Friday Harbor with around 55mm 2.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 15 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.9 hours of sunshine per day.
Friday Harbor weather in March »
April
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 12°C | 40mm | 6.5hrs | 14.8hrs | 10°C |
Friday Harbor's weather in April is typically cool and reasonably dry in nature.
Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit Friday Harbor.
April is in the spring in Friday Harbor and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 13°C (55°F), whilst at night 5°C (41°F) is normal.
On average April is the 4th driest month of the year in Friday Harbor with around 40mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 13 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.5 hours of sunshine per day.
Friday Harbor weather in April »
May
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 14°C | 33mm | 8.3hrs | 16.4hrs | 12°C |
May is a reasonably dry month in Friday Harbor and the temperature is generally mild.
It is perhaps a good month to visit Friday Harbor, with some extremely good weather at this time of year.
May is in the spring in Friday Harbor and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 7°C (45°F) is normal.
On average May is the 5th driest month of the year in Friday Harbor with around 33mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.3 hours of sunshine per day.
Friday Harbor weather in May »
June
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 17°C | 28mm | 9hrs | 10hrs | 13°C |
The climate in Friday Harbor during June can be summarized as mild and dry.
It is perhaps a good month to visit Friday Harbor, with some very good weather at this time of year.
June is in the summer in Friday Harbor and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 19°C (66°F), whilst at night 9°C (49°F) is normal.
On average June is the 6th driest month of the year in Friday Harbor with around 28mm 1.1 inches of rain making it a dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 9 hours of sunshine per day.
Friday Harbor weather in June »
July
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 19°C | 20mm | 10.7hrs | 11.3hrs | 14°C |
July in Friday Harbor is generally dry with the temperature being mild.
It is perhaps the perfect month to visit Friday Harbor, with some very good weather at this time of year.
July is in the summer in Friday Harbor and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 11°C (51°F) is normal.
On average July is the 6th wettest month of the year in Friday Harbor with around 20mm 0.8 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.7 hours of sunshine per day.
Friday Harbor weather in July »
August
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 19°C | 26mm | 9.7hrs | 12.9hrs | 14°C |
The weather in August in Friday Harbor is characteristically mild and dry.
It is perhaps the perfect month to visit Friday Harbor, with some extremely good weather at this time of year.
August is in the summer in Friday Harbor and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 11°C (52°F) is normal.
On average August is the 5th wettest month of the year in Friday Harbor with around 26mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.7 hours of sunshine per day.
Friday Harbor weather in August »
September
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 16°C | 36mm | 7.2hrs | 14.8hrs | 13°C |
Friday Harbor's weather in September is typically mild and reasonably dry in nature.
It is perhaps a good month to visit Friday Harbor, with some surprisingly good weather at this time of year.
September is in the fall / autumn in Friday Harbor and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 10°C (49°F) is normal.
On average September is the 4th wettest month of the year in Friday Harbor with around 36mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.
On the flip side this corresponds to an average of 7.2 hours of sunshine per day.
Friday Harbor weather in September »
October
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 12°C | 66mm | 4.6hrs | 16.4hrs | 11°C |
October is a reasonably dry month in Friday Harbor and the temperature is generally mild.
Although outside the main holiday season, there is still plenty of reasonably acceptable weather around this time of year. This makes it an okay time to visit Friday Harbor.
October is in the fall / autumn in Friday Harbor and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 7°C (45°F) is normal.
On average October is the 3rd wettest month of the year in Friday Harbor with around 66mm 2.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.
On the flip side this corresponds to an average of 4.6 hours of sunshine per day.
Friday Harbor weather in October »
November
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 8°C | 104mm | 2.6hrs | 10hrs | 9°C |
Cool and damp weather often prevails in Friday Harbor during the month of November
Based on weather alone, this is probably a time of year to avoid going to Friday Harbor for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
November is in the fall / autumn in Friday Harbor and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 9°C (49°F), whilst at night 4°C (40°F) is normal.
On average November is the 2nd wettest month of the year in Friday Harbor with around 104mm 4.1 inches of rain making it a damp time to visit. This rainfall is typically spread over 18 days, although this may vary considerably.
On the flip side this corresponds to an average of 2.6 hours of sunshine per day.
Friday Harbor weather in November »
December
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 6°C | 113mm | 2.1hrs | 11.3hrs | 8°C |
December in Friday Harbor is generally damp with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Friday Harbor for your holidays. The weather is often not a good and not conducive to spending time outdoors.
December is in the winter in Friday Harbor and is typically the warmest month of the year. Daytime maximum temperatures average around a cold 7°C (44°F), whilst at night 2°C (36°F) is normal.
On average December is the wettest month of the year in Friday Harbor with around 113mm 4.4 inches of rain making it a damp time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 2.1 hours of sunshine per day.
Other monthly averages
Friday Harbor weather stats
| Hottest month: | August | 20.6°C 69.1°F |
|---|---|---|
| Driest month: | July | 20mm 0.8ins |
| Sunniest month: | July | 10.7hrs |
| Coldest month: | January | 6.6°C 43.9°F |
| Wettest month: | December | 113mm 4.4ins |
| Warmest sea: | July | 14.1°C 57.4°F |
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