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
January's advent in Granby denotes a minor fluctuation in the average high-temperature to a still freezing cold 25°F (-3.9°C) from December's 24.6°F (-4.1°C). Granby records a steady low-temperature average of 4.3°F (-15.4°C) during January.Humidity
In Granby, the average relative humidity in January is 86%.Rainfall
In Granby, during January, the rain falls for 7.1 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, in Granby, there are 96.3 rainfall days, and 11.54" (293mm) of precipitation is accumulated.Snowfall
January through June, August through December are months with snowfall. In Granby, in January, snow falls for 14.3 days, with typically accumulated 5.83" (148mm) of snow. In Granby, Colorado, during the entire year, snow falls for 110.7 days and aggregates up to 59.88" (1521mm) of snow.Daylight
In Granby, the average length of the day in January is 9h and 43min.On the first day of January in Granby, sunrise is at 7:25 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:20 pm MST.
Sunshine
The average sunshine in January is 6.3h.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Granby. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum high daily UV index of 2 during January translates into the following directions:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
How cold is January in Granby?
What is the average humidity in January in Granby?
How many days does it rain in January in Granby?
How many days does it snow in January in Granby?
What is the average length of the day in January in Granby?
When is the sunrise / sunset in January in Granby?
How many hours of sunshine does Granby have in January?
What are the months with the lowest UV index in Granby?
What is the UV index reading in January in Granby?
Average temperature in January
Granby, CO
- Average high temperature in January: 25°F
The warmest month (with the highest average high temperature) is July (72.3°F).
The month with the lowest average high temperature is December (24.6°F).
- Average low temperature in January: 4.3°F
The month with the highest average low temperature is July (43.7°F).
The coldest month (with the lowest average low temperature) is January (4.3°F).
Average pressure in January
Granby, CO
- Average pressure in January: 30.19"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are April, May and June (29.93"Hg).
Average wind speed in January
Granby, CO
- Average wind speed in January: 6.5mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in January
Granby, CO
- Average humidity in January: 86%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is June (49%).
Average rainfall in January
Granby, CO
- Average rainfall in January: 0.75"
The wettest month (with the highest rainfall) is May (1.73").
The driest month (with the least rainfall) is August (0.55").
Average rainfall days in January
Granby, CO
- Average rainfall days in January: 7.1 days
The month with the highest number of rainy days is May (12.8 days).
The month with the least rainy days is October (4.9 days).
Average snowfall in January
Granby, CO
- Average snowfall in January: 5.83"
The month with the highest snowfall is April (10.94").
The month with the least snowfall is July (0").
Average snowfall days in January
Granby, CO
- Average snowfall days in January: 14.3 days
The month with the highest number of snowfall days is February (16.1 days).
The month with the least snowfall days is July (0 days).
Average daylight in January /
Average sunshine in January
Granby, CO
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in January: 6h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).
Average sunshine days in January
Granby, CO
- Average sunshine days in January: 16 days
The months with the most sunshine days are September and November (19.5 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in January
Granby, CO
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 2).
Average cloud cover in January
Granby, CO
- Average cloud cover in January: 37
The month with the most cloud cover is February (Cloud cover 41).
The month with the least cloud cover is September (Cloud cover 15).
Average visibility in January
Granby, CO
- Average visibility in January: 5mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, April and December (5mi).
Granby, Colorado, USA
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