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
January
Weather in January
Temperature
The coldest period is January, when temperatures fluctuate between an average high of 6.5°C (43.7°F) and a low of 3.1°C (37.6°F).Humidity
The average relative humidity in January is 86%.Rainfall
In January, in Martlesham, United Kingdom, the rain falls for 15.2 days. Throughout January, 33mm (1.3") of precipitation is accumulated. Throughout the year, in Martlesham, United Kingdom, there are 175.8 rainfall days, and 418mm (16.46") of precipitation is accumulated.Snowfall
Months with snowfall in Martlesham are January through March, November and December. In Martlesham, in January, during 3 snowfall days, 16mm (0.63") of snow is typically accumulated. Throughout the year, there are 9.8 snowfall days, and 57mm (2.24") of snow is accumulated.Daylight
In January, the average length of the day is 8h and 22min.On the first day of January in Martlesham, United Kingdom, sunrise is at 8:03 am and sunset at 3:53 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 4:39 pm GMT.
Sunshine
The average sunshine in January in Martlesham is 4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: A typical high UV index of 2 in January suggests the following recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Martlesham?
How cold does it get in Martlesham in January?
What is the average humidity in January in Martlesham?
How many days does it rain in January in Martlesham?
How many days does it snow in January in Martlesham?
What is the average length of the day in January in Martlesham?
When are sunrise and sunset in January in Martlesham?
How long on average sun shines in January in Martlesham?
When is the lowest UV index in Martlesham?
What is the UV index reading in January in Martlesham?
Average temperature in January
Martlesham, United Kingdom
- Average high temperature in January: 6.5°C
The warmest month (with the highest average high temperature) is August (20.9°C).
The month with the lowest average high temperature is January (6.5°C).
- Average low temperature in January: 3.1°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (3.1°C).
Average pressure in January
Martlesham, United Kingdom
- Average pressure in January: 1014.2mbar
The months with the highest atmospheric pressure are May and September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1010.4mbar).
Average wind speed in January
Martlesham, United Kingdom
- Average wind speed in January: 20.9km/h
The windiest month (with the highest average wind speed) is December (21.9km/h).
The calmest month (with the lowest average wind speed) is July (14.7km/h).
Average humidity in January
Martlesham, United Kingdom
- Average humidity in January: 86%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is August (75%).
Average rainfall in January
Martlesham, United Kingdom
- Average rainfall in January: 33mm
The wettest month (with the highest rainfall) is December (48mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in January
Martlesham, United Kingdom
- Average rainfall days in January: 15.2 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is September (12.2 days).
Average snowfall in January
Martlesham, United Kingdom
- Average snowfall in January: 16mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in January
Martlesham, United Kingdom
- Average snowfall days in January: 3 days
The month with the highest number of snowfall days is February (3.6 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
Martlesham, United Kingdom
- Average daylight in January: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in January: 4h and 0min
The month with the most sunshine is August (Average sunshine: 8h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in January
Martlesham, United Kingdom
- Average sunshine days in January: 11.3 days
The month with the most sunshine days is September (14.5 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in January
Martlesham, United Kingdom
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Martlesham, United Kingdom
- Average cloud cover in January: 59
The month with the most cloud cover is February (Cloud cover 61).
The months with the least cloud cover are August and September (Cloud cover 43).
Average visibility in January
Martlesham, United Kingdom
- Average visibility in January: 9km
The months with the highest visibility are March, June, August and September (10km).
The months with the lowest visibility are January, February, April, May, July, October, November and December (9km).
