February weather forecastGrafton, IL
February
Weather in February
The last month of the winter, February, is another cold month in Grafton, Illinois, with an average temperature varying between 41°F (5°C) and 27°F (-2.8°C).Temperature
Grafton's weather, upon February's arrival, documents an average high-temperature of a still icy 41°F (5°C), nearly identical to the prior month. During February, Grafton sees a mean low-temperature of 27°F (-2.8°C).Humidity
In Grafton, the average relative humidity in February is 76%.Rainfall
February is the month with the least rainfall. Rain falls for 6.6 days and accumulates 1.3" (33mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. The months with the most snowfall in Grafton are January and February, with an average 1.54" (39mm) of accumulated snow.Daylight
In Grafton, Illinois, the average length of the day in February is 10h and 46min.On the first day of the month, sunrise is at 7:08 am and sunset at 5:22 pm. On the last day of February, in Grafton, sunrise is at 6:34 am and sunset at 5:53 pm CST.
Sunshine
January and February, with an average of 4.6h of sunshine, are months with the least sunshine in Grafton, Illinois.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: A typical high UV index of 2 in February suggests the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in February
Grafton, IL
- Average high temperature in February: 41°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in February: 27°F
The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in February
Grafton, IL
- Average pressure in February: 30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in February
Grafton, IL
- Average wind speed in February: 9.3mph
The windiest month (with the highest average wind speed) is January (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in February
Grafton, IL
- Average humidity in February: 76%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in February
Grafton, IL
- Average rainfall in February: 1.3"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is February (1.3").
Average rainfall days in February
Grafton, IL
- Average rainfall days in February: 6.6 days
The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in February
Grafton, IL
- Average snowfall in February: 1.54"
The months with the highest snowfall are January and February (1.54").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in February
Grafton, IL
- Average snowfall days in February: 4.8 days
The month with the highest number of snowfall days is January (5.7 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
Grafton, IL
- Average daylight in February: 10h and 48min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in February: 4h and 36min
The months with the most sunshine are June and July (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).
Average sunshine days in February
Grafton, IL
- Average sunshine days in February: 16.1 days
The month with the most sunshine days is December (19.8 days).
The month with the least sunshine days is June (11.2 days).
Average UV index in February
Grafton, IL
- Average UV index in February: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in February
Grafton, IL
- Average cloud cover in February: 50
The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in February
Grafton, IL
- Average visibility in February: 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).
