May weather forecastGrasmere, United Kingdom

May

Weather in May

May, the last month of the spring in Grasmere, is a fresh month, with an average temperature ranging between min 5.8°C (42.4°F) and max 12.1°C (53.8°F).

Temperature

Grasmere signifies an average high-temperature of a cool 12.1°C (53.8°F) in May, closely mirroring the 9.9°C (49.8°F) of April. In May, the average low-temperature records at an icy 5.8°C (42.4°F) during the nights.

Humidity

The average relative humidity in May is 85%.

Rainfall

In Grasmere, in May, during 17.7 rainfall days, 56mm (2.2") of precipitation is typically accumulated. Throughout the year, there are 202 rainfall days, and 866mm (34.09") of precipitation is accumulated.

Snowfall

January through June, October through December are months with snowfall. In Grasmere, in May, snow falls for 0.9 days, with typically accumulated 6mm (0.24") of snow. Throughout the year, in Grasmere, there are 39.4 snowfall days, and 571mm (22.48") of snow is accumulated.

Daylight

The average length of the day in May is 16h and 5min.
On the first day of May, sunrise is at 5:32 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 4:44 am and sunset at 9:35 pm BST.

Sunshine

In Grasmere, the average sunshine in May is 6.6h.

UV index

The months with the highest UV index in Grasmere are May and June, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In May, the average maximum UV index of 4 translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Frequently asked questions

The average high-temperature, in May, in Grasmere, is 12.1°C (53.8°F), while the average low-temperature is 5.8°C (42.4°F).

In May, the average relative humidity is 85%.

In Grasmere, in May, it is raining for 17.7 days, with typically 56mm (2.2") of accumulated precipitation.

In Grasmere, in May, during 0.9 snowfall days, 6mm (0.24") of snow is typically accumulated.

In May, the average day length is 16h and 5min.

On the first day of May, sunrise is at 5:32 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 4:44 am and sunset at 9:35 pm BST.

The average sunshine duration in May is 6.6h.

The months with the highest UV index are May and June, with an average maximum UV index of 4.

The average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
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
Grasmere, United Kingdom

  • Average high temperature in May: 12.1°C

The warmest month (with the highest average high temperature) is July (16°C).
The month with the lowest average high temperature is January (4.9°C).

  • Average low temperature in May: 5.8°C

The month with the highest average low temperature is August (10.7°C).
The coldest month (with the lowest average low temperature) is February (1.2°C).

Average pressure in May
Grasmere, United Kingdom

  • Average pressure in May: 1016mbar

The month with the highest atmospheric pressure is May (1016mbar).
The month with the lowest atmospheric pressure is November (1008.1mbar).

Average wind speed in May
Grasmere, United Kingdom

  • Average wind speed in May: 15.1km/h

The windiest month (with the highest average wind speed) is December (21.7km/h).
The calmest month (with the lowest average wind speed) is June (12.8km/h).

Average humidity in May
Grasmere, United Kingdom

  • Average humidity in May: 85%

The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is April (84%).

Average rainfall in May
Grasmere, United Kingdom

  • Average rainfall in May: 56mm

The wettest month (with the highest rainfall) is December (95mm).
The driest month (with the least rainfall) is April (37mm).

Average rainfall days in May
Grasmere, United Kingdom

  • Average rainfall days in May: 17.7 days

The month with the highest number of rainy days is August (20.8 days).
The month with the least rainy days is February (10.8 days).

Average snowfall in May
Grasmere, United Kingdom

  • Average snowfall in May: 6mm

The month with the highest snowfall is January (174mm).
The months with the least snowfall are July, August and September (0mm).

Average snowfall days in May
Grasmere, United Kingdom

  • Average snowfall days in May: 0.9 days

The month with the highest number of snowfall days is January (9.5 days).
The months with the least snowfall days are July, August and September (0 days).

Average daylight in May /
Average sunshine in May
Grasmere, United Kingdom

  • Average daylight in May: 16h and 6min

The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 24min).

  • Average sunshine in May: 6h and 36min

The month with the most sunshine is April (Average sunshine: 6h and 42min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).

Average sunshine days in May
Grasmere, United Kingdom

  • Average sunshine days in May: 10.8 days

The month with the most sunshine days is April (12.5 days).
The months with the least sunshine days are November and December (7.9 days).

Average UV index in May
Grasmere, United Kingdom

  • Average UV index in May: 4

The months with the highest UV index are May and June (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in May
Grasmere, United Kingdom

  • Average cloud cover in May: 57

The months with the most cloud cover are January and December (Cloud cover 72).
The month with the least cloud cover is April (Cloud cover 56).

Average visibility in May
Grasmere, United Kingdom

  • Average visibility in May: 9km

The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (9km).
The months with the lowest visibility are January and July (8km).