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
In Isojoki, the lowest average temperatures are observed in January, with a high of -4.3°C (24.3°F) and a low of -8.3°C (17.1°F).Humidity
The months with the highest humidity are January and February, with an average relative humidity of 94%.Rainfall
In January, in Isojoki, the rain falls for 5.5 days. Throughout January, 37mm (1.46") of precipitation is accumulated. Throughout the year, there are 144.9 rainfall days, and 493mm (19.41") of precipitation is accumulated.Snowfall
Months with snowfall in Isojoki, Finland, are January through May, October through December. In Isojoki, in January, snow falls for 20.8 days, with typically accumulated 208mm (8.19") of snow. In Isojoki, during the entire year, snow falls for 102.4 days and aggregates up to 1049mm (41.3") of snow.Daylight
In January, the average length of the day in Isojoki is 6h and 17min.On the first day of January, sunrise is at 09:56 and sunset at 15:14. On the last day of the month, sunrise is at 09:01 and sunset at 16:29 EET.
Sunshine
January and December, with an average of 1.8h of sunshine, are months with the least sunshine.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Isojoki. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: In January, the average maximum UV index of 1 translates into the following recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. 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 are the coldest months in Isojoki?
How cold is January in Isojoki?
What are the most humid months in Isojoki?
What is the average humidity in January in Isojoki?
How much does it rain in Isojoki in January?
How many days does it snow in January in Isojoki?
What is the average length of the day in January in Isojoki?
When is the sunrise / sunset in January in Isojoki?
What is the month with the least sunshine in Isojoki?
How many hours of sunshine does Isojoki have in January?
What are the months with the lowest UV index in Isojoki?
How high is the UV index in January in Isojoki?
Average temperature in January
Isojoki, Finland
- Average high temperature in January: -4.3°C
The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-4.3°C).
- Average low temperature in January: -8.3°C
The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure in January
Isojoki, Finland
- Average pressure in January: 1010.5mbar
The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1006.8mbar).
Average wind speed in January
Isojoki, Finland
- Average wind speed in January: 12.8km/h
The windiest month (with the highest average wind speed) is December (13.1km/h).
The calmest months (with the lowest average wind speed) are July and August (10.6km/h).
Average humidity in January
Isojoki, Finland
- Average humidity in January: 94%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is May (67%).
Average rainfall in January
Isojoki, Finland
- Average rainfall in January: 37mm
The wettest month (with the highest rainfall) is July (54mm).
The driest months (with the least rainfall) are April and September (34mm).
Average rainfall days in January
Isojoki, Finland
- Average rainfall days in January: 5.5 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (4.7 days).
Average snowfall in January
Isojoki, Finland
- Average snowfall in January: 208mm
The month with the highest snowfall is December (234mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Isojoki, Finland
- Average snowfall days in January: 20.8 days
The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Isojoki, Finland
- Average daylight in January: 6h and 2min
The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 18min).
- Average sunshine in January: 1h and 5min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The months with the least sunshine are January and December (Average sunshine: 1h and 48min).
Average sunshine days in January
Isojoki, Finland
- Average sunshine days in January: 9 days
The month with the most sunshine days is May (14.4 days).
The month with the least sunshine days is February (7.1 days).
Average UV index in January
Isojoki, 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, November and December (UV index 1).
Average cloud cover in January
Isojoki, Finland
- Average cloud cover in January: 76
The month with the most cloud cover is January (Cloud cover 76).
The months with the least cloud cover are June and July (Cloud cover 44).
Average visibility in January
Isojoki, Finland
- Average visibility in January: 6km
The months with the highest visibility are May, June, July and August (9km).
The months with the lowest visibility are January and February (6km).
