Contents
- Weather in January
- Frequently asked questions
- Average temperature in January
- Average pressure in January
- Average wind speed in January
- Average humidity in January
- Average rainfall in January
- Average rainfall days in January
- Average snowfall in January
- Average snowfall days in January
- Average daylight in January
- Average sunshine in January
- Average sunshine days in January
- Average UV index in January
- Average cloud cover in January
- Average visibility in January
Weather in January
Temperature
January, known for its average high temperature of 5.8°C (42.4°F) and an average low temperature of 1.6°C (34.9°F), is the coldest month.Humidity
In Grantham, the average relative humidity in January is 89%.Rainfall
In Grantham, United Kingdom, in January, during 10.7 rainfall days, 18mm (0.71") of precipitation is typically accumulated. Throughout the year, there are 152.3 rainfall days, and 262mm (10.31") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Grantham. The month with the most snowfall is January, when snow falls for 2.5 days and typically aggregates up to 17mm (0.67") of snow.Daylight
In January, the average length of the day is 8h and 14min.On the first day of the month, sunrise is at 8:15 am and sunset at 3:56 pm. On the last day of January, sunrise is at 7:47 am and sunset at 4:44 pm GMT.
Sunshine
In Grantham, the average sunshine in January is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index of 2 during January translates into these guidelines:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What are the coldest months in Grantham?
How cold is January in Grantham?
What is the average humidity in January in Grantham?
How much does it rain in Grantham in January?
When does it snow the most in Grantham?
How much does it snow in Grantham in January?
What is the average length of the day in January in Grantham?
When are sunrise and sunset in January in Grantham?
How many hours of sunshine does Grantham have in January?
What is the month with the lowest UV index in Grantham?
What is the UV index reading in January in Grantham?
Average temperature in January
Grantham, United Kingdom
- Average high temperature in January: 5.8°C
The warmest month (with the highest average high temperature) is July (20.7°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in January: 1.6°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in January
Grantham, United Kingdom
- Average pressure in January: 1013.2mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1009.7mbar).
Average wind speed in January
Grantham, United Kingdom
- Average wind speed in January: 17.7km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in January
Grantham, United Kingdom
- Average humidity in January: 89%
The month with the highest relative humidity is December (90%).
The month with the lowest relative humidity is August (77%).
Average rainfall in January
Grantham, United Kingdom
- Average rainfall in January: 18mm
The wettest month (with the highest rainfall) is June (37mm).
The driest months (with the least rainfall) are March and April (15mm).
Average rainfall days in January
Grantham, United Kingdom
- Average rainfall days in January: 10.7 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in January
Grantham, United Kingdom
- Average snowfall in January: 17mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Grantham, United Kingdom
- Average snowfall days in January: 2.5 days
The month with the highest number of snowfall days is February (3.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in January /
Average sunshine in January
Grantham, United Kingdom
- Average daylight in January: 8h and 1min
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 January: 4h and 1min
The months with the most sunshine are July and August (Average sunshine: 7h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in January
Grantham, United Kingdom
- Average sunshine days in January: 15.8 days
The months with the most sunshine days are October and December (15.9 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in January
Grantham, United Kingdom
- Average UV index in January: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Grantham, United Kingdom
- Average cloud cover in January: 58
The month with the most cloud cover is November (Cloud cover 61).
The month with the least cloud cover is September (Cloud cover 49).
Average visibility in January
Grantham, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, July, August, September, October and December (9km).
The months with the lowest visibility are June and November (8km).
Grantham, United Kingdom
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