The climate in Hertford during May can be summarized as warm and damp.
May is in the spring in Hertford and is typically the 5th warmest month of the year. Daytime maximum temperatures average around 25°C (77°F), whilst at night 14°C (56°F) is normal.
Daytime temperature | 25.1°C 77.1°F |
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Nightly temperature | 13.6°C 56.4°F |
Average temperature | 19.3°C 66.7°F |
Daily sunshine | 9.5 hrs |
Avg rainfall | 109 mm 4.3 ins |
Rainy days | 10 days |
Sea temperature | 17.2°C 63°F |
Humidity | 72% |
Windspeed | 16.6kph 10 mph |
On average May is the 5th wettest month of the year in Hertford with around 109mm 4.3 inches of rain making it a damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.5 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Hertford in May 2025.
Hottest month: | July | 30.5°C 86.9°F |
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Driest month: | November | 72mm 2.8ins |
Sunniest month: | April | 9.2hrs |
Coldest month: | January | 9.8°C 49.6°F |
Wettest month: | July | 139mm 5.5ins |