Instow Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Instow.
Climate overview of Instow
Instow, Devon, United Kingdom, has a moderate seasonal temperature range, with August reaching 20°C (68°F) and January cooling to 10°C (50°F).
With around 1058 mm (42 in) of annual rainfall, Instow has a notably wet climate. However, this rainfall is not evenly distributed, the city has pleasant summers and cold winters. The wettest month is December. The sunniest month is May, with 6.6 hours of sunshine per day on average.
Instow Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Instow - and find the best time to visit.
Monthly Temperature in Instow
The weather in Instow changes moderately throughout the year, offering enough variation to appreciate each season. Average daytime temperatures reach a pleasant 20°C (68°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 10°C (50°F).
At night, temperatures range from around 14°C (57°F) in August to 5°C (41°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Instow
Instow is known for its substantial rainfall, with annual precipitation reaching 1058 mm (42 in). Instow experiences moderate seasonal variation in rainfall, with monthly averages ranging from 118 mm (4.6 in) in December, the wettest month, and 68 mm (2.7 in) in May, the driest month. For more details, please visit our Instow Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Instow
Instow can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 6.6 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.8 hours of sunlight per day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Best Time to Visit Instow
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: August
- Warmest weather: July, August and September
- Most sunshine: May, June and July
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Instow
What is the best time to visit Instow?
August typically offers the most optimal weather in Instow. In contrast, January, February, November and December tend to have less optimal conditions. Instow has pleasant summers and cold winters.
What temperatures can I expect in Instow?
Daytime highs range from 10°C (50°F) in January to 20°C (68°F) in August. Nighttime lows range from 5°C (41°F) to 14°C (57°F).
How much rain does Instow get?
Annual rainfall is around 1058 mm (42 in). December is the wettest month with 118 mm (4.6 in), while May is the driest with 68 mm (2.7 in).
How sunny is Instow?
Instow receives around 1,552 hours of sunshine per year. May is the sunniest month with 197 hours, while December is the cloudiest with just 53 hours.
Instow 3-Day Forecast
Instow on the map
Instow is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
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