February weather forecastLewiston, ID

February
Weather in February
Moving into February, weather conditions remain cold albeit a slight increase is observed when compared to January. The city sees its most substantial snowfall of the year, accumulating 3.27" (83mm). The lengthening of daylight hours hints at the approaching spring season. Although the cold may persist, sunnier days and shorter nights bring relief to the inhabitants. The overall atmospheric pressure remains relatively stable, supporting a calm weather condition.Temperature
As January transitions into February, Lewiston records an average high-temperature of a still icy 40.6°F (4.8°C), showing a gentle shift from the preceding month. February nights are marked by an average low-temperature of 28.8°F (-1.8°C).Humidity
In February, the average relative humidity is 81%.Rainfall
In Lewiston, during February, the rain falls for 13.3 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 142.4 rainfall days, and 14.21" (361mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. February is the month with the most snowfall. Snow falls for 6.5 days and accumulates 3.27" (83mm) of snow.Daylight
The average length of the day in February is 10h and 22min.On the first day of the month, sunrise is at 7:11 am and sunset at 4:51 pm. On the last day of February, sunrise is at 6:27 am and sunset at 5:33 pm PST.
Sunshine
In February, the average sunshine in Lewiston is 5.3h.UV index
February is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: In February, a daily maximum UV index of 1 leads to the following instructions:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in February
Lewiston, ID
- Average high temperature in February: 40.6°F
The warmest month (with the highest average high temperature) is August (85.3°F).
The month with the lowest average high temperature is December (36.1°F).
- Average low temperature in February: 28.8°F
The month with the highest average low temperature is August (59.2°F).
The coldest month (with the lowest average low temperature) is December (24.4°F).
Average pressure in February
Lewiston, ID
- Average pressure in February: 30.11"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in February
Lewiston, ID
- Average wind speed in February: 5.2mph
The windiest month (with the highest average wind speed) is April (5.7mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.3mph).
Average humidity in February
Lewiston, ID
- Average humidity in February: 81%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (38%).
Average rainfall in February
Lewiston, ID
- Average rainfall in February: 1.5"
The wettest month (with the highest rainfall) is March (1.85").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in February
Lewiston, ID
- Average rainfall days in February: 13.3 days
The month with the highest number of rainy days is March (17.6 days).
The month with the least rainy days is August (5.2 days).
Average snowfall in February
Lewiston, ID
- Average snowfall in February: 3.27"
The month with the highest snowfall is February (3.27").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in February
Lewiston, ID
- Average snowfall days in February: 6.5 days
The month with the highest number of snowfall days is December (8.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in February /
Average sunshine in February
Lewiston, ID
- Average daylight in February: 10h and 24min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in February: 5h and 18min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in February
Lewiston, ID
- Average sunshine days in February: 10.8 days
The month with the most sunshine days is July (24 days).
The months with the least sunshine days are February and March (10.8 days).
Average UV index in February
Lewiston, ID
- Average UV index in February: 1
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in February
Lewiston, ID
- Average cloud cover in February: 48
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in February
Lewiston, ID
- Average visibility in February: 5mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).





