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
Harjavalta's coldest month, January, registers temperatures that range from a high of -2.3°C (27.9°F) to a low of -6°C (21.2°F).Humidity
In January, the average relative humidity in Harjavalta is 90%.Rainfall
In Harjavalta, in January, it is raining for 7.2 days, with typically 37mm (1.46") of accumulated precipitation. Throughout the year, in Harjavalta, Finland, there are 154.3 rainfall days, and 508mm (20") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Harjavalta, Finland, during January, snow falls for 17.8 days and regularly aggregates up to 158mm (6.22") of snow. Throughout the year, there are 82.2 snowfall days, and 699mm (27.52") of snow is accumulated.Daylight
The average length of the day in January in Harjavalta, Finland, is 6h and 31min.On the first day of the month, sunrise is at 09:46 and sunset at 15:22. On the last day of January, in Harjavalta, sunrise is at 08:56 and sunset at 16:33 EET.
Sunshine
The average sunshine in January is 2.1h.UV index
January through March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: During January, 1 as the daily maximum UV index converts into the following advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the coldest month in Harjavalta?
How cold is it in Harjavalta in January?
What is the average humidity in January in Harjavalta?
How many days does it rain in January in Harjavalta?
How many days does it snow in January in Harjavalta?
How many hours of daylight does Harjavalta have in January?
When are sunrise and sunset in January in Harjavalta?
How long on average sun shines in January in Harjavalta?
What is the month with the lowest UV index in Harjavalta?
What is the UV index intensity in January in Harjavalta?
Average temperature in January
Harjavalta, Finland
- Average high temperature in January: -2.3°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 (-2.3°C).
- Average low temperature in January: -6°C
The month with the highest average low temperature is July (13.4°C).
The coldest month (with the lowest average low temperature) is January (-6°C).
Average pressure in January
Harjavalta, Finland
- Average pressure in January: 1010.5mbar
The month with the highest atmospheric pressure is May (1014.7mbar).
The month with the lowest atmospheric pressure is December (1006.8mbar).
Average wind speed in January
Harjavalta, Finland
- Average wind speed in January: 15.8km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is July (12.6km/h).
Average humidity in January
Harjavalta, Finland
- Average humidity in January: 90%
The month with the highest relative humidity is February (92%).
The month with the lowest relative humidity is May (69%).
Average rainfall in January
Harjavalta, Finland
- Average rainfall in January: 37mm
The wettest month (with the highest rainfall) is July (63mm).
The driest months (with the least rainfall) are March and April (31mm).
Average rainfall days in January
Harjavalta, Finland
- Average rainfall days in January: 7.2 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in January
Harjavalta, Finland
- Average snowfall in January: 158mm
The month with the highest snowfall is February (163mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Harjavalta, Finland
- Average snowfall days in January: 17.8 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Harjavalta, Finland
- Average daylight in January: 6h and 3min
The month with the longest days is June (Average daylight: 19h and 12min).
The month with the shortest days is December (Average daylight: 5h and 36min).
- Average sunshine in January: 2h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 2h and 0min).
Average sunshine days in January
Harjavalta, Finland
- Average sunshine days in January: 9.4 days
The month with the most sunshine days is May (14.2 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in January
Harjavalta, Finland
- Average UV index in January: 1
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in January
Harjavalta, Finland
- Average cloud cover in January: 71
The months with the most cloud cover are January, February and December (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in January
Harjavalta, Finland
- Average visibility in January: 8km
The month with the highest visibility is June (10km).
The month with the lowest visibility is February (7km).
