May weather forecastHelmdon, United Kingdom
May
Weather in May
The last month of the spring, May, is a refreshing month in Helmdon, United Kingdom, with an average temperature fluctuating between 6.4°C (43.5°F) and 15.4°C (59.7°F).Temperature
The advent of May reveals an average high-temperature of a moderate 15.4°C (59.7°F), showing minimal difference from the prior month. Helmdon registers a consistent average low-temperature of 6.4°C (43.5°F) during May.Humidity
The average relative humidity in May in Helmdon, United Kingdom, is 84%.Rainfall
In Helmdon, during May, the rain falls for 12.6 days and regularly aggregates up to 15mm (0.59") of precipitation. In Helmdon, during the entire year, the rain falls for 139.2 days and collects up to 210mm (8.27") of precipitation.Snowfall
April through November are months without snowfall.Daylight
In Helmdon, the average length of the day in May is 15h and 43min.On the first day of May in Helmdon, sunrise is at 5:33 am and sunset at 8:30 pm. On the last day of the month, sunrise is at 4:50 am and sunset at 9:14 pm BST.
Sunshine
In Helmdon, United Kingdom, the average sunshine in May is 6.7h.UV index
The months with the highest UV index in Helmdon, United Kingdom, are May through September, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: An average UV index of 4 in May transforms into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in May
Helmdon, United Kingdom
- Average high temperature in May: 15.4°C
The warmest month (with the highest average high temperature) is July (20.6°C).
The month with the lowest average high temperature is January (6.1°C).
- Average low temperature in May: 6.4°C
The month with the highest average low temperature is August (12.3°C).
The coldest month (with the lowest average low temperature) is January (1.2°C).
Average pressure in May
Helmdon, United Kingdom
- Average pressure in May: 1016.6mbar
The month with the highest atmospheric pressure is May (1016.6mbar).
The month with the lowest atmospheric pressure is November (1010mbar).
Average wind speed in May
Helmdon, United Kingdom
- Average wind speed in May: 13.6km/h
The windiest months (with the highest average wind speed) are February and December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (12.9km/h).
Average humidity in May
Helmdon, United Kingdom
- Average humidity in May: 84%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (80%).
Average rainfall in May
Helmdon, United Kingdom
- Average rainfall in May: 15mm
The wettest months (with the highest rainfall) are June and August (25mm).
The driest months (with the least rainfall) are March and April (12mm).
Average rainfall days in May
Helmdon, United Kingdom
- Average rainfall days in May: 12.6 days
The month with the highest number of rainy days is August (14.6 days).
The month with the least rainy days is February (9.1 days).
Average snowfall in May
Helmdon, United Kingdom
- Average snowfall in May: 0mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in May
Helmdon, United Kingdom
- Average snowfall days in May: 0 days
The month with the highest number of snowfall days is February (3.9 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
Helmdon, United Kingdom
- Average daylight in May: 15h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in May: 6h and 42min
The month with the most sunshine is July (Average sunshine: 7h and 18min).
The months with the least sunshine are February and November (Average sunshine: 3h and 42min).
Average sunshine days in May
Helmdon, United Kingdom
- Average sunshine days in May: 13.8 days
The month with the most sunshine days is March (17.6 days).
The month with the least sunshine days is August (11.6 days).
Average UV index in May
Helmdon, United Kingdom
- Average UV index in May: 4
The months with the highest UV index are May, June, July, August and September (UV index 4).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in May
Helmdon, United Kingdom
- Average cloud cover in May: 56
The month with the most cloud cover is November (Cloud cover 65).
The month with the least cloud cover is September (Cloud cover 53).
Average visibility in May
Helmdon, United Kingdom
- Average visibility in May: 8km
The months with the highest visibility are January, February, March, July, August, October and December (9km).
The months with the lowest visibility are April, May, June, September and November (8km).
