When is the best time to go to Saint Helens
The chart above shows the best time of year to visit Saint Helens, 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 Saint Helens
Saint Helens weather by month
Please note our recommendations for when to visit Saint Helens 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 |
|---|---|---|---|
| 6°C | 191mm | 3hrs | 10.3hrs |
Saint Helens's weather in January is typically cool and wet in nature.
Based on weather alone, this is probably a time of year to avoid going to Saint Helens for your holidays. The weather is often not a good and not conducive to spending time outdoors.
January is in the winter in Saint Helens and is typically the coldest month of the year. Daytime maximum temperatures average around a cold 7°C (45°F), whilst at night -0°C (32°F) is normal.
On average January is the driest month of the year in Saint Helens with around 191mm 7.5 inches of rain making it a wet 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 3 hours of sunshine per day.
Saint Helens weather in January »
February
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 9°C | 138mm | 4.5hrs | 11.4hrs |
February in Saint Helens is generally wet with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Saint Helens for your holidays. The weather is often not a good and not conducive to spending time outdoors.
February is in the winter in Saint Helens and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cool 10°C (49°F), whilst at night 1°C (34°F) is normal.
On average February is the 2nd driest month of the year in Saint Helens with around 138mm 5.4 inches of rain making it a wet 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 4.5 hours of sunshine per day.
Saint Helens weather in February »
March
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 11°C | 125mm | 6.5hrs | 12.9hrs |
The weather in March in Saint Helens is characteristically cool and wet.
Based on weather alone, this is probably a time of year to avoid going to Saint Helens for your holidays. The weather is often not a good and not conducive to spending time outdoors.
March is in the spring in Saint Helens and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 12°C (54°F), whilst at night 2°C (36°F) is normal.
On average March is the 3rd driest month of the year in Saint Helens with around 125mm 4.9 inches of rain making it a wet time to visit. This rainfall is typically spread over 17 days, although this may vary considerably.
On the flip side this corresponds to an average of 6.5 hours of sunshine per day.
Saint Helens weather in March »
April
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 13°C | 89mm | 7.7hrs | 14.5hrs |
Saint Helens's weather in April is typically cool and a little damp in nature.
Although outside the main holiday season, there is still plenty of fairly acceptable weather around this time of year. This makes it an okay time to visit Saint Helens.
April is in the spring in Saint Helens and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 15°C (58°F), whilst at night 3°C (38°F) is normal.
On average April is the 4th driest month of the year in Saint Helens with around 89mm 3.5 inches of rain making it a a little damp 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 7.7 hours of sunshine per day.
Saint Helens weather in April »
May
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 16°C | 64mm | 9.2hrs | 16hrs |
May is a reasonably dry month in Saint Helens and the temperature is generally mild.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Saint Helens.
May is in the spring in Saint Helens and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 18°C (65°F), whilst at night 6°C (43°F) is normal.
On average May is the 5th driest month of the year in Saint Helens with around 64mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.2 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 19°C | 52mm | 10.1hrs | 10.3hrs |
The weather in June in Saint Helens is characteristically mild and reasonably dry.
It is perhaps a good month to visit Saint Helens, with some surprisingly good weather at this time of year.
June is in the summer in Saint Helens and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 22°C (71°F), whilst at night 9°C (48°F) is normal.
On average June is the 6th driest month of the year in Saint Helens with around 52mm 2 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 10.1 hours of sunshine per day.
Saint Helens weather in June »
July
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 22°C | 22mm | 11.2hrs | 11.4hrs |
July in Saint Helens is generally dry with the temperature being mild.
It is perhaps the perfect month to visit Saint Helens, with some inordinately good weather at this time of year.
July is in the summer in Saint Helens and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a comfortable 24°C (76°F), whilst at night 11°C (51°F) is normal.
On average July is the 6th wettest month of the year in Saint Helens with around 22mm 0.9 inches of rain making it a dry time to visit. This rainfall is typically spread over 5 days, although this may vary considerably.
On the flip side this corresponds to an average of 11.2 hours of sunshine per day.
Saint Helens weather in July »
August
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 22°C | 33mm | 10.1hrs | 12.9hrs |
The weather in August in Saint Helens is characteristically mild and reasonably dry.
It is perhaps the perfect month to visit Saint Helens, with some extremely good weather at this time of year.
August is in the summer in Saint Helens and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (77°F), whilst at night 11°C (51°F) is normal.
On average August is the 5th wettest month of the year in Saint Helens with around 33mm 1.3 inches of rain making it a reasonably 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 10.1 hours of sunshine per day.
Saint Helens weather in August »
September
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 20°C | 55mm | 8.3hrs | 14.5hrs |
Saint Helens's weather in September is typically mild and reasonably dry in nature.
It is perhaps a good month to visit Saint Helens, with some surprisingly good weather at this time of year.
September is in the fall / autumn in Saint Helens and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 8°C (47°F) is normal.
On average September is the 4th wettest month of the year in Saint Helens with around 55mm 2.2 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.3 hours of sunshine per day.
Saint Helens weather in September »
October
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 15°C | 105mm | 5.3hrs | 16hrs |
October is a damp month in Saint Helens and the temperature is generally mild.
Although outside the main holiday season, there is still plenty of relatively acceptable weather around this time of year. This makes it an okay time to visit Saint Helens.
October is in the fall / autumn in Saint Helens and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 5°C (41°F) is normal.
On average October is the 3rd wettest month of the year in Saint Helens with around 105mm 4.1 inches of rain making it a damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.
On the flip side this corresponds to an average of 5.3 hours of sunshine per day.
Saint Helens weather in October »
November
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 9°C | 182mm | 2.9hrs | 10.3hrs |
The weather in November in Saint Helens is characteristically cool and wet.
Based on weather alone, this is probably a time of year to avoid going to Saint Helens for your holidays. The weather is often not a good and not conducive to spending time outdoors.
November is in the fall / autumn in Saint Helens and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 11°C (51°F), whilst at night 3°C (37°F) is normal.
On average November is the 2nd wettest month of the year in Saint Helens with around 182mm 7.2 inches of rain making it a wet 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 2.9 hours of sunshine per day.
Saint Helens weather in November »
December
| Temp | Rain | Sunshine | Day length |
|---|---|---|---|
| 6°C | 202mm | 2.3hrs | 11.4hrs |
December in Saint Helens is generally very wet with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Saint Helens for your holidays. The weather is often not a good and not conducive to spending time outdoors.
December is in the winter in Saint Helens and is typically the warmest month of the year. Daytime maximum temperatures average around a cold 7°C (45°F), whilst at night 1°C (33°F) is normal.
On average December is the wettest month of the year in Saint Helens with around 202mm 8 inches of rain making it a very wet 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 2.3 hours of sunshine per day.
Other monthly averages
Saint Helens weather stats
| Hottest month: | August | 24.4°C 75.9°F |
|---|---|---|
| Driest month: | July | 22mm 0.9ins |
| Sunniest month: | July | 11.2hrs |
| Coldest month: | January | 6.8°C 44.2°F |
| Wettest month: | December | 202mm 8ins |
| Warmest sea: | August | 13.5°C 56.3°F |
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