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, with average temperatures reaching a high of 29.7°F (-1.3°C) and a low of 17.4°F (-8.1°C), is the coldest month.Humidity
The average relative humidity in January is 81%.Rainfall
In Westwood, in January, it is raining for 5.3 days, with typically 1.42" (36mm) of accumulated precipitation. In Westwood, during the entire year, the rain falls for 140.1 days and collects up to 29.92" (760mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. January is the month with the most snowfall in Westwood. Snow falls for 9.6 days and accumulates 4.76" (121mm) of snow.Daylight
The average length of the day in January is 9h and 38min.On the first day of the month, sunrise is at 7:31 am and sunset at 4:48 pm. On the last day of January, in Westwood, sunrise is at 7:17 am and sunset at 5:21 pm CST.
Sunshine
The month with the least sunshine is January, with an average of 4h of sunshine.UV index
January is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 1 in January interprets into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest in Westwood?
How cold is it in Westwood in January?
What is the average humidity in January in Westwood?
How many days does it rain in January in Westwood?
What is the snowiest month in Westwood?
How many days does it snow in January in Westwood?
What is the average length of the day in January in Westwood?
What time are sunrise and sunset in January in Westwood?
What is the month with the least sunshine in Westwood?
How long on average sun shines in January in Westwood?
When is the lowest UV index in Westwood?
What is the UV index intensity in January in Westwood?
Average temperature in January
Westwood, IA
- Average high temperature in January: 29.7°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in January: 17.4°F
The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in January
Westwood, IA
- Average pressure in January: 30.15"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Westwood, IA
- Average wind speed in January: 10.7mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest months (with the lowest average wind speed) are July and August (6.9mph).
Average humidity in January
Westwood, IA
- Average humidity in January: 81%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Westwood, IA
- Average rainfall in January: 1.42"
The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and December (1.38").
Average rainfall days in January
Westwood, IA
- Average rainfall days in January: 5.3 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in January
Westwood, IA
- Average snowfall in January: 4.76"
The month with the highest snowfall is January (4.76").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Westwood, IA
- Average snowfall days in January: 9.6 days
The month with the highest number of snowfall days is January (9.6 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
Westwood, IA
- Average daylight in January: 9h and 4min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in January: 4h
The month with the most sunshine is July (Average sunshine: 10h).
The month with the least sunshine is January (Average sunshine: 4h).
Average sunshine days in January
Westwood, IA
- Average sunshine days in January: 16.2 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in January
Westwood, IA
- Average UV index in January: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in January
Westwood, IA
- Average cloud cover in January: 56
The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July, August and September (Cloud cover 31).
Average visibility in January
Westwood, IA
- Average visibility in January: 6mi
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (6mi).
The month with the lowest visibility is July (5mi).
Westwood, Iowa, USA
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