January weather forecastRiihimäki, Finland
January
Weather in January
Riihimäki welcomes the new year with the chill of winter. Snow dominates the landscape with an average snowfall of 227mm (8.94") and with the mercury dipping to as low as -8.3°C (17.1°F). The daylight hours are short and the sun only emerges for a brief 1.8 hours a day. The icy gusts of wind only reinforce the frigidness of the season. Wrapping up warm is an absolute necessity to counter the cold, damp winter air.Temperature
January, with its high-temperature average of -3.8°C (25.2°F) and a low-temperature average of -8.3°C (17.1°F), is the coldest month in Riihimäki.Humidity
In January, the average relative humidity in Riihimäki is 94%.Rainfall
In Riihimäki, in January, it is raining for 5.8 days, with typically 37mm (1.46") of accumulated precipitation. In Riihimäki, during the entire year, the rain falls for 117.8 days and collects up to 373mm (14.69") of precipitation.Snowfall
January through May, October through December are months with snowfall. In January, in Riihimäki, Finland, it is snowing for 22.2 days. Throughout January, 227mm (8.94") of snow is accumulated. Throughout the year, there are 102.9 snowfall days, and 1059mm (41.69") of snow is accumulated.Daylight
In Riihimäki, Finland, the average length of the day in January is 6h and 41min.On the first day of the month, sunrise is at 09:30 and sunset at 15:18. On the last day of January, sunrise is at 08:42 and sunset at 16:26 EET.
Sunshine
In Riihimäki, the average sunshine in January is 1.8h.UV index
January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 1 during January leads to these instructions:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Riihimäki, Finland
- Average high temperature in January: -3.8°C
The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in January: -8.3°C
The month with the highest average low temperature is July (12.4°C).
The coldest month (with the lowest average low temperature) is January (-8.3°C).
Average pressure in January
Riihimäki, Finland
- Average pressure in January: 1011.7mbar
The month with the highest atmospheric pressure is May (1014.9mbar).
The month with the lowest atmospheric pressure is December (1008.3mbar).
Average wind speed in January
Riihimäki, Finland
- Average wind speed in January: 10.8km/h
The windiest month (with the highest average wind speed) is December (11.4km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in January
Riihimäki, Finland
- Average humidity in January: 94%
The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (67%).
Average rainfall in January
Riihimäki, Finland
- Average rainfall in January: 37mm
The wettest month (with the highest rainfall) is December (44mm).
The driest month (with the least rainfall) is August (18mm).
Average rainfall days in January
Riihimäki, Finland
- Average rainfall days in January: 5.8 days
The month with the highest number of rainy days is November (13.5 days).
The month with the least rainy days is February (4.2 days).
Average snowfall in January
Riihimäki, Finland
- Average snowfall in January: 227mm
The month with the highest snowfall is February (229mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in January
Riihimäki, Finland
- Average snowfall days in January: 22.2 days
The month with the highest number of snowfall days is January (22.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in January /
Average sunshine in January
Riihimäki, Finland
- Average daylight in January: 6h and 42min
The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).
- Average sunshine in January: 1h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 1h and 30min).
Average sunshine days in January
Riihimäki, Finland
- Average sunshine days in January: 8.1 days
The month with the most sunshine days is June (20.8 days).
The month with the least sunshine days is February (6.5 days).
Average UV index in January
Riihimäki, 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
Riihimäki, Finland
- Average cloud cover in January: 78
The months with the most cloud cover are January and February (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in January
Riihimäki, Finland
- Average visibility in January: 5km
The months with the highest visibility are May, June and July (9km).
The months with the lowest visibility are January and February (5km).
