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
Weather in January
Temperature
Grasmere marks the arrival of January with an average high-temperature of a still wintry 37.9°F (3.3°C), hardly different from December's 36.7°F (2.6°C). The average low-temperature in Grasmere during January nights is a subzero cold 26.6°F (-3°C).Humidity
January is the most humid month in Grasmere, with an average relative humidity of 75%.Rainfall
In January, in Grasmere, Idaho, the rain falls for 10.3 days. Throughout January, 0.98" (25mm) of precipitation is accumulated. In Grasmere, during the entire year, the rain falls for 100.2 days and collects up to 7.48" (190mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In January, in Grasmere, it is snowing for 3.8 days. Throughout January, 1.54" (39mm) of snow is accumulated. In Grasmere, during the entire year, snow falls for 17.1 days and aggregates up to 6.34" (161mm) of snow.Daylight
The average length of the day in January in Grasmere is 9h and 30min.On the first day of January, sunrise is at 8:12 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:55 pm MST.
Sunshine
In January, the average sunshine in Grasmere is 6.4h.UV index
The months with the lowest UV index in Grasmere are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: In January, the average maximum UV index of 2 translates into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Frequently asked questions
Is it cold in Grasmere during January?
What is the most humid month in Grasmere?
What is the average humidity in January in Grasmere?
How many days does it rain in January in Grasmere?
How much does it snow in Grasmere in January?
What is the average length of the day in January in Grasmere?
When is the sunrise / sunset in January in Grasmere?
How long on average sun shines in January in Grasmere?
What are the months with the lowest UV index in Grasmere?
What is the UV index intensity in January in Grasmere?
Average temperature in January
Grasmere, ID
- Average high temperature in January: 37.9°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is December (36.7°F).
- Average low temperature in January: 26.6°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is December (26.1°F).
Average pressure in January
Grasmere, ID
- Average pressure in January: 30.26"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The months with the lowest atmospheric pressure are June and August (29.88"Hg).
Average wind speed in January
Grasmere, ID
- Average wind speed in January: 6.5mph
The windiest month (with the highest average wind speed) is April (8.8mph).
The calmest months (with the lowest average wind speed) are January and September (6.5mph).
Average humidity in January
Grasmere, ID
- Average humidity in January: 75%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is July (25%).
Average rainfall in January
Grasmere, ID
- Average rainfall in January: 0.98"
The wettest month (with the highest rainfall) is December (1.06").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in January
Grasmere, ID
- Average rainfall days in January: 10.3 days
The month with the highest number of rainy days is March (14.3 days).
The months with the least rainy days are July and August (3.7 days).
Average snowfall in January
Grasmere, ID
- Average snowfall in January: 1.54"
The month with the highest snowfall is December (2.64").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Grasmere, ID
- Average snowfall days in January: 3.8 days
The month with the highest number of snowfall days is December (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Grasmere, ID
- Average daylight in January: 9h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in January: 6h and 2min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in January
Grasmere, ID
- Average sunshine days in January: 18.1 days
The month with the most sunshine days is July (24 days).
The month with the least sunshine days is March (13.6 days).
Average UV index in January
Grasmere, ID
- Average UV index in January: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in January
Grasmere, ID
- Average cloud cover in January: 33
The month with the most cloud cover is December (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 8).
Average visibility in January
Grasmere, ID
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Grasmere, Idaho, USA
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