Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
Hertford records a slight change with May's average high-temperatures adjusting to an enjoyable 16°C (60.8°F) from April's 13.6°C (56.5°F). May nights in Hertford, United Kingdom, experience a consistent temperature drop to a frosty 7.3°C (45.1°F).Humidity
The average relative humidity in May in Hertford is 80%.Rainfall
In Hertford, during May, the rain falls for 9.8 days and regularly aggregates up to 10mm (0.39") of precipitation. Throughout the year, there are 115.9 rainfall days, and 163mm (6.42") of precipitation is accumulated.Snowfall
In Hertford, snow does not fall in April through October.Daylight
In Hertford, the average length of the day in May is 15h and 41min.On the first day of the month, sunrise is at 5:29 am and sunset at 8:24 pm. On the last day of May, sunrise is at 4:47 am and sunset at 9:08 pm BST.
Sunshine
The average sunshine in May in Hertford is 7.4h.UV index
The average daily maximum UV index in May in Hertford is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In May, the UV index of 4 transforms into the following advice:
Prioritize safety - Recommendations to avert sunburn are shared. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in May in Hertford?
What is the average humidity in May in Hertford?
How much does it rain in Hertford in May?
When it does not snow in Hertford?
What is the average length of the day in May in Hertford?
When is the sunrise / sunset in May in Hertford?
How long on average sun shines in May in Hertford?
How high is the UV index in May in Hertford?
Average temperature in May
Hertford, United Kingdom
- Average high temperature in May: 16°C
The warmest month (with the highest average high temperature) is July (21.6°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in May: 7.3°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is January (1.7°C).
Average pressure in May
Hertford, United Kingdom
- Average pressure in May: 1016.7mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in May
Hertford, United Kingdom
- Average wind speed in May: 13.7km/h
The windiest month (with the highest average wind speed) is February (18.2km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in May
Hertford, United Kingdom
- Average humidity in May: 80%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (75%).
Average rainfall in May
Hertford, United Kingdom
- Average rainfall in May: 10mm
The wettest month (with the highest rainfall) is December (20mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days in May
Hertford, United Kingdom
- Average rainfall days in May: 9.8 days
The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is September (8.1 days).
Average snowfall in May
Hertford, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (11mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in May
Hertford, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (2.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in May /
Average sunshine in May
Hertford, United Kingdom
- Average daylight in May: 15h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in May: 7h and 2min
The month with the most sunshine is August (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in May
Hertford, United Kingdom
- Average sunshine days in May: 17.4 days
The month with the most sunshine days is March (19.4 days).
The month with the least sunshine days is July (14.7 days).
Average UV index in May
Hertford, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Hertford, United Kingdom
- Average cloud cover in May: 52
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 48).
Average visibility in May
Hertford, United Kingdom
- Average visibility in May: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
Hertford, United Kingdom
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