May weather forecastColney, United Kingdom

May

Weather in May

May, the last month of the spring in Colney, is a moderate month, with temperature in the range of an average low of 8.3°C (46.9°F) and an average high of 14.6°C (58.3°F).

Temperature

May's commencement is accompanied by an average high-temperature of a mild 14.6°C (58.3°F), diverging marginally from April's 12°C (53.6°F). An average nighttime temperature of 8.3°C (46.9°F) is noted in Colney during the month of May.

Humidity

In May, the average relative humidity in Colney is 81%.

Rainfall

In Colney, United Kingdom, during May, the rain falls for 13.3 days and regularly aggregates up to 21mm (0.83") of precipitation. In Colney, during the entire year, the rain falls for 169.3 days and collects up to 297mm (11.69") of precipitation.

Snowfall

April through October are months without snowfall in Colney.

Daylight

In May, the average length of the day is 15h and 47min.
On the first day of the month, sunrise is at 5:21 am and sunset at 8:22 pm. On the last day of May, in Colney, sunrise is at 4:37 am and sunset at 9:07 pm BST.

Sunshine

The average sunshine in May in Colney, United Kingdom, is 8.1h.

UV index

The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.
Note: A maximum daily UV index of 4 during May morphs into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.

Frequently asked questions

May temperatures in Colney, United Kingdom, vary between a high-temperature of 14.6°C (58.3°F) and a low-temperature of 8.3°C (46.9°F).

The average relative humidity in May in Colney, United Kingdom, is 81%.

In Colney, during May, the rain falls for 13.3 days and regularly aggregates up to 21mm (0.83") of precipitation.

April through October are months without snowfall.

In Colney, United Kingdom, the average day length in May is 15h and 47min.

On the first day of May, sunrise is at 5:21 am and sunset at 8:22 pm. On the last day of the month, sunrise is at 4:37 am and sunset at 9:07 pm BST.

The average sunshine duration in May in Colney is 8.1h.

In Colney, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Colney, United Kingdom

  • Average high temperature in May: 14.6°C

The warmest month (with the highest average high temperature) is August (20.3°C).
The month with the lowest average high temperature is January (6.4°C).

  • Average low temperature in May: 8.3°C

The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).

Average pressure in May
Colney, United Kingdom

  • Average pressure in May: 1016.5mbar

The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1010mbar).

Average wind speed in May
Colney, United Kingdom

  • Average wind speed in May: 16.1km/h

The windiest month (with the highest average wind speed) is December (22.2km/h).
The calmest month (with the lowest average wind speed) is July (14.5km/h).

Average humidity in May
Colney, United Kingdom

  • Average humidity in May: 81%

The months with the highest relative humidity are January and December (86%).
The month with the lowest relative humidity is August (76%).

Average rainfall in May
Colney, United Kingdom

  • Average rainfall in May: 21mm

The wettest month (with the highest rainfall) is October (33mm).
The driest month (with the least rainfall) is April (13mm).

Average rainfall days in May
Colney, United Kingdom

  • Average rainfall days in May: 13.3 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is February (11.6 days).

Average snowfall in May
Colney, United Kingdom

  • Average snowfall in May: 0mm

The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in May
Colney, United Kingdom

  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (4.4 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
Colney, United Kingdom

  • Average daylight in May: 15h and 48min

The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).

  • Average sunshine in May: 8h and 6min

The month with the most sunshine is August (Average sunshine: 9h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 54min).

Average sunshine days in May
Colney, United Kingdom

  • Average sunshine days in May: 14.8 days

The month with the most sunshine days is April (15.1 days).
The month with the least sunshine days is July (10.6 days).

Average UV index in May
Colney, 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
Colney, United Kingdom

  • Average cloud cover in May: 46

The months with the most cloud cover are January and February (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 42).

Average visibility in May
Colney, United Kingdom

  • Average visibility in May: 10km

The months with the highest visibility are March, April, May, August, September, October and November (10km).
The months with the lowest visibility are January, February, June, July and December (9km).