May weather forecastCallaly, United Kingdom

May weather forecast for Callaly, United Kingdom: May, the last month of the spring in Callaly, is a mild month, with an average temperature ranging between max 13.1°C (55.6°F) and min 5.8°C (42.4°F). In Callaly, during the entire year, the rain falls for 161.3 days and collects up to 295mm (11.61") of precipitation.

May

Weather in May

May, the last month of the spring in Callaly, is a mild month, with an average temperature ranging between max 13.1°C (55.6°F) and min 5.8°C (42.4°F).

Temperature

Transitioning into May, Callaly records an average high-temperature of a mild 13.1°C (55.6°F), almost identical to April's 10.6°C (51.1°F). An average low-temperature of 5.8°C (42.4°F) is observed during May nights.

Humidity

In May, the average relative humidity is 82%.

Rainfall

In May, the rain falls for 15.2 days. Throughout May, 22mm (0.87") of precipitation is accumulated. In Callaly, during the entire year, the rain falls for 161.3 days and collects up to 295mm (11.61") of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

The average length of the day in May in Callaly, United Kingdom, is 16h and 14min.
On the first day of May, sunrise is at 5:24 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 4:33 am and sunset at 9:36 pm BST.

Sunshine

The average sunshine in May is 7h.

UV index

May through August, with an average maximum UV index of 4, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In May, the maximum UV index of 4 translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.

Frequently asked questions

An average high-temperature, in May, in Callaly, is 13.1°C (55.6°F) and the average low-temperature is 5.8°C (42.4°F).

In May, the average relative humidity is 82%.

In Callaly, during May, the rain falls for 15.2 days and regularly aggregates up to 22mm (0.87") of precipitation.

May through October are months without snowfall.

In May, it doesn't snow. April is the latest month when it typically snows.

In May, the average day length is 16h and 14min.

In May, on the first day of the month, sunrise is at 5:24 am and sunset at 8:45 pm. On the last day of the month, sunrise is at 4:33 am and sunset at 9:36 pm BST.

In Callaly, the average sunshine duration in May is 7h.

May through August, with an average maximum UV index of 4, are months with the highest UV index.

In Callaly, United Kingdom, the average daily maximum UV index in May is 4. A UV Index estimate 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
Callaly, United Kingdom

  • Average high temperature in May: 13.1°C

The warmest month (with the highest average high temperature) is July (17.4°C).
The month with the lowest average high temperature is January (5.2°C).

  • Average low temperature in May: 5.8°C

The month with the highest average low temperature is August (10.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.5°C).

Average pressure in May
Callaly, United Kingdom

  • Average pressure in May: 1015.9mbar

The month with the highest atmospheric pressure is May (1015.9mbar).
The month with the lowest atmospheric pressure is November (1007.6mbar).

Average wind speed in May
Callaly, United Kingdom

  • Average wind speed in May: 14.6km/h

The windiest month (with the highest average wind speed) is January (20.2km/h).
The calmest month (with the lowest average wind speed) is June (12.9km/h).

Average humidity in May
Callaly, United Kingdom

  • Average humidity in May: 82%

The months with the highest relative humidity are January, November and December (88%).
The month with the lowest relative humidity is April (81%).

Average rainfall in May
Callaly, United Kingdom

  • Average rainfall in May: 22mm

The wettest month (with the highest rainfall) is August (37mm).
The driest month (with the least rainfall) is April (13mm).

Average rainfall days in May
Callaly, United Kingdom

  • Average rainfall days in May: 15.2 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is February (9.3 days).

Average snowfall in May
Callaly, United Kingdom

  • Average snowfall in May: 0mm

The month with the highest snowfall is January (34mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).

Average snowfall days in May
Callaly, United Kingdom

  • Average snowfall days in May: 0.2 days

The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

  • Average daylight in May: 16h and 12min

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

  • Average sunshine in May: 7h and 0min

The months with the most sunshine are April and August (Average sunshine: 7h and 18min).
The months with the least sunshine are October and November (Average sunshine: 4h and 6min).

Average sunshine days in May
Callaly, United Kingdom

  • Average sunshine days in May: 11.3 days

The month with the most sunshine days is January (14.5 days).
The month with the least sunshine days is August (7.7 days).

Average UV index in May
Callaly, United Kingdom

  • Average UV index in May: 4

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

Average cloud cover in May
Callaly, United Kingdom

  • Average cloud cover in May: 55

The months with the most cloud cover are February and November (Cloud cover 59).
The months with the least cloud cover are April and September (Cloud cover 52).

Average visibility in May
Callaly, United Kingdom

  • Average visibility in May: 9km

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