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
Temperature readings reach their annual highs in January, averaging -1.3°C (29.7°F) and a minimum average of -4.4°C (24.1°F).Humidity
In January, the average relative humidity is 88%.Rainfall
In January, in Porkala, Finland, the rain falls for 8.3 days. Throughout January, 42mm (1.65") of precipitation is accumulated. Throughout the year, in Porkala, there are 165.8 rainfall days, and 570mm (22.44") 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 17.1 days and typically aggregates up to 136mm (5.35") of snow.Daylight
In January, the average length of the day is 6h and 52min.On the first day of the month, sunrise is at 09:24 and sunset at 15:26. On the last day of January, sunrise is at 08:39 and sunset at 16:32 EET.
Sunshine
In Porkala, Finland, the average sunshine in January is 2.2h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Porkala, Finland. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: In January, the average maximum UV index of 1 translates into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the coldest months in Porkala?
How cold is January in Porkala?
What is the average humidity in January in Porkala?
How many days does it rain in January in Porkala?
What is the snowiest month in Porkala?
How many days does it snow in January in Porkala?
What is the average length of the day in January in Porkala?
When is the sunrise / sunset in January in Porkala?
How long on average sun shines in January in Porkala?
What are the months with the lowest UV index in Porkala?
How high is the UV index in January in Porkala?
Average temperature in January
Porkala, Finland
- Average high temperature in January: -1.3°C
The warmest month (with the highest average high temperature) is July (19.4°C).
The month with the lowest average high temperature is January (-1.3°C).
- Average low temperature in January: -4.4°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-4.4°C).
Average pressure in January
Porkala, Finland
- Average pressure in January: 1011.7mbar
The month with the highest atmospheric pressure is May (1015mbar).
The month with the lowest atmospheric pressure is December (1008.5mbar).
Average wind speed in January
Porkala, Finland
- Average wind speed in January: 21.1km/h
The windiest month (with the highest average wind speed) is December (24km/h).
The calmest month (with the lowest average wind speed) is May (14.9km/h).
Average humidity in January
Porkala, Finland
- Average humidity in January: 88%
The month with the highest relative humidity is February (90%).
The month with the lowest relative humidity is May (74%).
Average rainfall in January
Porkala, Finland
- Average rainfall in January: 42mm
The wettest month (with the highest rainfall) is July (66mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in January
Porkala, Finland
- Average rainfall days in January: 8.3 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (7 days).
Average snowfall in January
Porkala, Finland
- Average snowfall in January: 136mm
The month with the highest snowfall is January (136mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Porkala, Finland
- Average snowfall days in January: 17.1 days
The month with the highest number of snowfall days is February (17.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Porkala, Finland
- Average daylight in January: 6h and 5min
The month with the longest days is June (Average daylight: 18h and 42min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in January: 2h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 36min).
Average sunshine days in January
Porkala, Finland
- Average sunshine days in January: 8.3 days
The month with the most sunshine days is May (15.4 days).
The month with the least sunshine days is December (5.4 days).
Average UV index in January
Porkala, Finland
- Average UV index in January: 1
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in January
Porkala, Finland
- Average cloud cover in January: 72
The month with the most cloud cover is December (Cloud cover 75).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in January
Porkala, Finland
- Average visibility in January: 8km
The months with the highest visibility are June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).
