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 sea temperature 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 -0.6°C (30.9°F) and an average low-temperature of -3.9°C (25°F), is considered the coldest month.Humidity
The months with the highest humidity are January, February, November and December, with an average relative humidity of 89%.Rainfall
In Trosa, during January, the rain falls for 7.3 days and regularly aggregates up to 28mm (1.1") of precipitation. Throughout the year, there are 143.7 rainfall days, and 387mm (15.24") of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. The month with the most snowfall is January, when snow falls for 14 days and typically aggregates up to 110mm (4.33") of snow.Sea temperature
In January, the average sea temperature is 1.8°C (35.2°F).Note: In the scenario of swimming, this is assessed as life-threatening and highly risky. The chilling water causes severe discomfort and induces instant hyperventilation. A specialized swimsuit is necessary to counter thermal damage.
Daylight
In Trosa, the average length of the day in January is 7h and 8min.On the first day of January, sunrise is at 08:42 and sunset at 15:03. On the last day of the month, sunrise is at 08:00 and sunset at 16:05 CET.
Sunshine
The average sunshine in January is 3.4h.UV index
January is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In January, the maximum UV index of 1 translates into these guidelines:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Enhance your sun protection with tightly woven, yet airy clothing. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest?
How cold is it in January?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
When does it snow the most?
How much does it snow in January?
What is the sea temperature in January?
What is the average length of the day in January?
When is the sunrise / sunset in January?
How long on average sun shines in January in Trosa?
What is the month with the lowest UV index?
What is the UV index intensity in January?
Average temperature in January
Trosa, Sweden
- Average high temperature in January: -0.6°C
The warmest month (with the highest average high temperature) is July (22.1°C).
The month with the lowest average high temperature is January (-0.6°C).
- Average low temperature in January: -3.9°C
The month with the highest average low temperature is July (12.8°C).
The coldest month (with the lowest average low temperature) is January (-3.9°C).
Average pressure in January
Trosa, Sweden
- Average pressure in January: 1011.3mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.1mbar).
Average wind speed in January
Trosa, Sweden
- Average wind speed in January: 15.5km/h
The windiest month (with the highest average wind speed) is December (16km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in January
Trosa, Sweden
- Average humidity in January: 89%
The months with the highest relative humidity are January, February, November and December (89%).
The month with the lowest relative humidity is May (70%).
Average rainfall in January
Trosa, Sweden
- Average rainfall in January: 28mm
The wettest month (with the highest rainfall) is October (41mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in January
Trosa, Sweden
- Average rainfall days in January: 7.3 days
The months with the highest number of rainy days are July and August (14.6 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in January
Trosa, Sweden
- Average snowfall in January: 110mm
The month with the highest snowfall is January (110mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Trosa, Sweden
- Average snowfall days in January: 14 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average sea temperature in January
Trosa, Sweden
- Average sea temperature in January: 1.8°C
The best month for swimming (with the highest average sea temperature) is August (18.7°C).
The coldest month (with the lowest average sea temperature) is February (1°C).
Average daylight in January /
Average sunshine in January
Trosa, Sweden
- Average daylight in January: 7h and 1min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in January: 3h and 2min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in January
Trosa, Sweden
- Average sunshine days in January: 11.3 days
The month with the most sunshine days is April (14.6 days).
The month with the least sunshine days is February (10.3 days).
Average UV index in January
Trosa, Sweden
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Trosa, Sweden
- Average cloud cover in January: 66
The months with the most cloud cover are February and December (Cloud cover 67).
The months with the least cloud cover are June, July and August (Cloud cover 40).
Average visibility in January
Trosa, Sweden
- Average visibility in January: 8km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January, February, March, November and December (8km).
