When is the best time to go to Porthmadog
The chart above shows the best time of year to visit Porthmadog, United Kingdom. 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 Porthmadog
Porthmadog weather by month
Please note our recommendations for when to visit Porthmadog 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 | 180mm | 1.5hrs | 9.6hrs | 9°C |
Cool and wet weather often prevails in Porthmadog during the month of January
Based on weather alone, this is probably a time of year to avoid going to Porthmadog for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
January is in the winter in Porthmadog 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 Porthmadog with around 180mm 7.1 inches of rain making it a wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 1.5 hours of sunshine per day.
Porthmadog weather in January »
February
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 6°C | 122mm | 2.8hrs | 11.1hrs | 8°C |
February in Porthmadog is generally wet with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Porthmadog for your holidays. The weather is often not a good and not conducive to spending time outdoors.
February is in the winter in Porthmadog and is typically the 2nd coldest month of the year. Daytime maximum temperatures average around a cold 7°C (44°F), whilst at night 1°C (34°F) is normal.
On average February is the 2nd driest month of the year in Porthmadog with around 122mm 4.8 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 2.8 hours of sunshine per day.
Porthmadog weather in February »
March
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 7°C | 141mm | 3.6hrs | 12.9hrs | 8°C |
The weather in March in Porthmadog is characteristically cool and wet.
Based on weather alone, this is probably a time of year to avoid going to Porthmadog for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
March is in the spring in Porthmadog and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a cool 8°C (47°F), whilst at night 2°C (36°F) is normal.
On average March is the 3rd driest month of the year in Porthmadog with around 141mm 5.6 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 3.6 hours of sunshine per day.
April
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 10°C | 99mm | 5.4hrs | 15.1hrs | 9°C |
Porthmadog's weather in April is typically cool and a little damp in nature.
It is perhaps a good month to visit Porthmadog, with some very good weather at this time of year.
April is in the spring in Porthmadog and is typically the 4th coldest month of the year. Daytime maximum temperatures average around a cool 11°C (52°F), whilst at night 4°C (39°F) is normal.
On average April is the 4th driest month of the year in Porthmadog with around 99mm 3.9 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 5.4 hours of sunshine per day.
May
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 13°C | 96mm | 6.7hrs | 17.2hrs | 11°C |
May is a a little damp month in Porthmadog and the temperature is generally mild.
It is perhaps a good month to visit Porthmadog, with some very good weather at this time of year.
May is in the spring in Porthmadog and is typically the 5th coldest month of the year. Daytime maximum temperatures average around a cool 14°C (58°F), whilst at night 6°C (43°F) is normal.
On average May is the 5th driest month of the year in Porthmadog with around 96mm 3.8 inches of rain making it a a little damp 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 6.7 hours of sunshine per day.
June
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 15°C | 98mm | 6.6hrs | 9.6hrs | 13°C |
Mild and a little damp weather often prevails in Porthmadog during the month of June
It is perhaps the perfect month to visit Porthmadog, with some very good weather at this time of year.
June is in the summer in Porthmadog and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a cool 17°C (62°F), whilst at night 9°C (48°F) is normal.
On average June is the 6th driest month of the year in Porthmadog with around 98mm 3.9 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 6.6 hours of sunshine per day.
July
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 16°C | 101mm | 5.9hrs | 11.1hrs | 15°C |
July in Porthmadog is generally damp with the temperature being mild.
It is perhaps a good month to visit Porthmadog, with some extremely good weather at this time of year.
July is in the summer in Porthmadog and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 11°C (52°F) is normal.
On average July is the 6th wettest month of the year in Porthmadog with around 101mm 4 inches of rain making it a damp 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 5.9 hours of sunshine per day.
August
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 16°C | 135mm | 5.6hrs | 12.9hrs | 16°C |
The weather in August in Porthmadog is characteristically mild and wet.
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 Porthmadog.
August is in the summer in Porthmadog and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 18°C (65°F), whilst at night 11°C (52°F) is normal.
On average August is the 5th wettest month of the year in Porthmadog with around 135mm 5.3 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 5.6 hours of sunshine per day.
Porthmadog weather in August »
September
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 14°C | 151mm | 4.5hrs | 15.1hrs | 16°C |
Porthmadog's weather in September is typically mild and wet 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 Porthmadog.
September is in the fall / autumn in Porthmadog and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a cool 16°C (61°F), whilst at night 9°C (49°F) is normal.
On average September is the 4th wettest month of the year in Porthmadog with around 151mm 5.9 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 4.5 hours of sunshine per day.
Porthmadog weather in September »
October
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 12°C | 184mm | 3.2hrs | 17.2hrs | 14°C |
October is a wet month in Porthmadog and the temperature is generally mild.
Based on weather alone, this is probably a time of year to avoid going to Porthmadog for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
October is in the fall / autumn in Porthmadog and is typically the 3rd warmest month of the year. Daytime maximum temperatures average around a cool 14°C (56°F), whilst at night 7°C (45°F) is normal.
On average October is the 3rd wettest month of the year in Porthmadog with around 184mm 7.2 inches of rain making it a wet time to visit. This rainfall is typically spread over 20 days, although this may vary considerably.
On the flip side this corresponds to an average of 3.2 hours of sunshine per day.
Porthmadog weather in October »
November
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 9°C | 198mm | 2hrs | 9.6hrs | 12°C |
The climate in Porthmadog during November can be summarized as cool and wet.
Based on weather alone, this is probably a time of year to avoid going to Porthmadog for your holidays. The weather is often pretty bad and not conducive to spending time outdoors.
November is in the fall / autumn in Porthmadog and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a cool 10°C (49°F), whilst at night 4°C (39°F) is normal.
On average November is the 2nd wettest month of the year in Porthmadog with around 198mm 7.8 inches of rain making it a wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 2 hours of sunshine per day.
Porthmadog weather in November »
December
| Temp | Rain | Sunshine | Day length | Sea temp |
|---|---|---|---|---|
| 7°C | 202mm | 1.3hrs | 11.1hrs | 11°C |
December in Porthmadog is generally very wet with the temperature being cool.
Based on weather alone, this is probably a time of year to avoid going to Porthmadog for your holidays. The weather is often relatively bad and not conducive to spending time outdoors.
December is in the winter in Porthmadog and is typically the warmest month of the year. Daytime maximum temperatures average around a cool 8°C (46°F), whilst at night 3°C (37°F) is normal.
On average December is the wettest month of the year in Porthmadog with around 202mm 8 inches of rain making it a very wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 1.3 hours of sunshine per day.
Other monthly averages
Porthmadog weather stats
| Hottest month: | July | 18°C 64.4°F |
|---|---|---|
| Driest month: | May | 96mm 3.8ins |
| Sunniest month: | May | 6.7hrs |
| Coldest month: | February | 6.5°C 43.7°F |
| Wettest month: | December | 202mm 8ins |
| Warmest sea: | August | 15.9°C 60.6°F |
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