March weather forecastHarefield, United Kingdom
March
Weather in March
The first month of the spring, March, is a cool month in Harefield, United Kingdom, with an average temperature fluctuating between 10.5°C (50.9°F) and 3.4°C (38.1°F).Temperature
As Harefield transitions into March, the average high-temperature is observed to slightly rise from a chilly 7.5°C (45.5°F) in February to a cool 10.5°C (50.9°F). An average temperature of 3.4°C (38.1°F) marks the nights in March.Humidity
In March, the average relative humidity is 81%.Rainfall
In March, the rain falls for 10.1 days. Throughout March, 14mm (0.55") of precipitation is accumulated. Throughout the year, there are 132.4 rainfall days, and 214mm (8.43") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. March is the last month it regularly snows. During 0.9 snowfall days, in March, Harefield aggregates 3mm (0.12") of snow. Throughout the year, there are 8 snowfall days, and 32mm (1.26") of snow is accumulated.Daylight
In Harefield, the average length of the day in March is 11h and 55min.On the first day of March in Harefield, United Kingdom, sunrise is at 6:45 am and sunset at 5:42 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 6:34 pm GMT.
Sunshine
The average sunshine in March is 5.6h.UV index
In March, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In March, a regular UV index of 3 translates into these guidelines:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in March
Harefield, United Kingdom
- Average high temperature in March: 10.5°C
The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is January (6.7°C).
- Average low temperature in March: 3.4°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in March
Harefield, United Kingdom
- Average pressure in March: 1015.5mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in March
Harefield, United Kingdom
- Average wind speed in March: 16.1km/h
The windiest month (with the highest average wind speed) is February (17.6km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in March
Harefield, United Kingdom
- Average humidity in March: 81%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (74%).
Average rainfall in March
Harefield, United Kingdom
- Average rainfall in March: 14mm
The wettest month (with the highest rainfall) is December (25mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in March
Harefield, United Kingdom
- Average rainfall days in March: 10.1 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is September (8.9 days).
Average snowfall in March
Harefield, United Kingdom
- Average snowfall in March: 3mm
The month with the highest snowfall is December (10mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in March
Harefield, United Kingdom
- Average snowfall days in March: 0.9 days
The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in March /
Average sunshine in March
Harefield, United Kingdom
- Average daylight in March: 11h and 54min
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 March: 5h and 36min
The months with the most sunshine are July and August (Average sunshine: 8h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 42min).
Average sunshine days in March
Harefield, United Kingdom
- Average sunshine days in March: 17.5 days
The month with the most sunshine days is September (18.4 days).
The month with the least sunshine days is July (14 days).
Average UV index in March
Harefield, United Kingdom
- Average UV index in March: 3
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 March
Harefield, United Kingdom
- Average cloud cover in March: 55
The months with the most cloud cover are February and November (Cloud cover 60).
The months with the least cloud cover are April and September (Cloud cover 49).
Average visibility in March
Harefield, United Kingdom
- Average visibility in March: 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).
