May weather forecastMillwall, United Kingdom

May

Weather in May

The last month of the spring, May, is an enjoyable month in Millwall, United Kingdom, with an average temperature varying between 16.8°C (62.2°F) and 8.1°C (46.6°F).

Temperature

Millwall's average high-temperature in May is a still refreshing 16.8°C (62.2°F), marking an insignificant difference from the 14.1°C (57.4°F) of April. Throughout May, an average low-temperature of 8.1°C (46.6°F) is expected.

Humidity

In May, the average relative humidity is 76%.

Rainfall

In May, the rain falls for 13.4 days. Throughout May, 21mm (0.83") of precipitation is accumulated. Throughout the year, in Millwall, there are 148.8 rainfall days, and 306mm (12.05") of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Millwall.

Daylight

In Millwall, the average length of the day in May is 15h and 38min.
On the first day of the month, sunrise is at 5:30 am and sunset at 8:23 pm. On the last day of May, in Millwall, sunrise is at 4:48 am and sunset at 9:06 pm BST.

Sunshine

The average sunshine in May is 7.4h.

UV index

In Millwall, the average daily maximum UV index in May is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 4 during May, leads to the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.

Frequently asked questions

An average high-temperature, in May, in Millwall, is 16.8°C (62.2°F) and the average low-temperature is 8.1°C (46.6°F).

In Millwall, the average relative humidity in May is 76%.

In May, in Millwall, United Kingdom, the rain falls for 13.4 days. Throughout May, 21mm (0.83") of precipitation is accumulated.

In Millwall, snow does not fall in May through October.

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

In May, the average day length in Millwall, United Kingdom, is 15h and 38min.

In May, on the first day of the month, sunrise is at 5:30 am and sunset at 8:23 pm. On the last day of the month, in Millwall, United Kingdom, sunrise is at 4:48 am and sunset at 9:06 pm BST.

In May, the average sunshine duration in Millwall, United Kingdom, is 7.4h.

The average daily maximum UV index in May in Millwall, United Kingdom, is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe 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
Millwall, United Kingdom

  • Average high temperature in May: 16.8°C

The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (6.8°C).

  • Average low temperature in May: 8.1°C

The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (2.1°C).

Average pressure in May
Millwall, United Kingdom

  • Average pressure in May: 1016.8mbar

The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.6mbar).

Average wind speed in May
Millwall, United Kingdom

  • Average wind speed in May: 13.5km/h

The windiest month (with the highest average wind speed) is February (17.4km/h).
The calmest month (with the lowest average wind speed) is September (12.7km/h).

Average humidity in May
Millwall, United Kingdom

  • Average humidity in May: 76%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is August (72%).

Average rainfall in May
Millwall, United Kingdom

  • Average rainfall in May: 21mm

The wettest month (with the highest rainfall) is June (33mm).
The driest month (with the least rainfall) is April (17mm).

Average rainfall days in May
Millwall, United Kingdom

  • Average rainfall days in May: 13.4 days

The month with the highest number of rainy days is July (15.9 days).
The month with the least rainy days is September (9.6 days).

Average snowfall in May
Millwall, United Kingdom

  • Average snowfall in May: 0mm

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

Average snowfall days in May
Millwall, United Kingdom

  • Average snowfall days in May: 0 days

The month with the highest number of snowfall days is February (3.5 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
Millwall, United Kingdom

  • Average daylight in May: 15h and 36min

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 24min

The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).

Average sunshine days in May
Millwall, United Kingdom

  • Average sunshine days in May: 13.7 days

The month with the most sunshine days is September (18 days).
The month with the least sunshine days is July (12.5 days).

Average UV index in May
Millwall, 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, March, November and December (UV index 2).

Average cloud cover in May
Millwall, United Kingdom

  • Average cloud cover in May: 52

The month with the most cloud cover is February (Cloud cover 62).
The months with the least cloud cover are August and September (Cloud cover 49).

Average visibility in May
Millwall, 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).