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
January, noted for its average high-temperature of 4.3°C (39.7°F) and an average low-temperature of 0.6°C (33.1°F), is considered the coldest month.Humidity
The average relative humidity in January is 88%.Rainfall
In Grolloo, in January, during 14.1 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Grolloo, during the entire year, the rain falls for 176.6 days and collects up to 457mm (17.99") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Grolloo, in January, snow falls for 3.7 days, with typically accumulated 25mm (0.98") of snow. Throughout the year, there are 13.4 snowfall days, and 88mm (3.46") of snow is accumulated.Daylight
In January, the average length of the day is 8h and 14min.On the first day of the month, sunrise is at 08:46 and sunset at 16:27. On the last day of January, sunrise is at 08:18 and sunset at 17:14 CET.
Sunshine
In Grolloo, the average sunshine in January is 3.5h.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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Opt for tightly woven and loose clothing to enhance protection from the Sun. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest time of year in Grolloo?
Is January cold in Grolloo?
What is the average humidity in January in Grolloo?
How much does it rain in Grolloo in January?
How much does it snow in Grolloo in January?
How many hours of daylight does Grolloo have in January?
When is the sunrise / sunset in January in Grolloo?
How long on average sun shines in January in Grolloo?
What are the months with the lowest UV index in Grolloo?
What is the UV index intensity in January in Grolloo?
Average temperature in January
Grolloo, Netherlands
- Average high temperature in January: 4.3°C
The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in January: 0.6°C
The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is February (0.5°C).
Average pressure in January
Grolloo, Netherlands
- Average pressure in January: 1014.1mbar
The month with the highest atmospheric pressure is September (1016.5mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in January
Grolloo, Netherlands
- Average wind speed in January: 18.7km/h
The windiest month (with the highest average wind speed) is December (18.9km/h).
The calmest months (with the lowest average wind speed) are July and August (12.7km/h).
Average humidity in January
Grolloo, Netherlands
- Average humidity in January: 88%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in January
Grolloo, Netherlands
- Average rainfall in January: 40mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in January
Grolloo, Netherlands
- Average rainfall days in January: 14.1 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is September (11.1 days).
Average snowfall in January
Grolloo, Netherlands
- Average snowfall in January: 25mm
The month with the highest snowfall is February (31mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in January
Grolloo, Netherlands
- Average snowfall days in January: 3.7 days
The month with the highest number of snowfall days is February (4.5 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
Grolloo, Netherlands
- 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: 3h and 3min
The months with the most sunshine are July and August (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in January
Grolloo, Netherlands
- Average sunshine days in January: 13.5 days
The months with the most sunshine days are September and October (16.7 days).
The month with the least sunshine days is July (10.3 days).
Average UV index in January
Grolloo, Netherlands
- Average UV index in January: 2
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 January
Grolloo, Netherlands
- Average cloud cover in January: 66
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is April (Cloud cover 44).
Average visibility in January
Grolloo, Netherlands
- Average visibility in January: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, October and December (9km).
The months with the lowest visibility are September and November (8km).
