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
In Hamilton, January records the lowest average temperatures, peaking at 29.3°F (-1.5°C) and reaching a low of 16.2°F (-8.8°C).Humidity
In January, the average relative humidity in Hamilton is 82%.Rainfall
In January, in Hamilton, the rain falls for 4 days. Throughout January, 0.67" (17mm) of precipitation is accumulated. Throughout the year, there are 119 rainfall days, and 19.02" (483mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. January is the month with the most snowfall in Hamilton. Snow falls for 8.2 days and accumulates 2.87" (73mm) of snow.Daylight
In Hamilton, the average length of the day in January is 9h and 37min.On the first day of January, sunrise is at 7:36 am and sunset at 4:53 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 5:26 pm CST.
Sunshine
The month with the least sunshine in Hamilton is January, with an average of 4.1h of sunshine.UV index
January, February, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 2 in January interprets into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Hamilton?
How cold is it in Hamilton in January?
What is the average humidity in January in Hamilton?
How much does it rain in Hamilton in January?
What is the snowiest month in Hamilton?
How many days does it snow in January in Hamilton?
What is the average length of the day in January in Hamilton?
When are sunrise and sunset in January in Hamilton?
What is the month with the least sunshine in Hamilton?
How long on average sun shines in January in Hamilton?
What are the months with the lowest UV index in Hamilton?
What is the UV index reading in January in Hamilton?
Average temperature in January
Hamilton, IA
- Average high temperature in January: 29.3°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in January: 16.2°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (16.2°F).
Average pressure in January
Hamilton, IA
- Average pressure in January: 30.16"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in January
Hamilton, 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 (7mph).
Average humidity in January
Hamilton, IA
- Average humidity in January: 82%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is October (72%).
Average rainfall in January
Hamilton, IA
- Average rainfall in January: 0.67"
The wettest month (with the highest rainfall) is June (2.99").
The driest month (with the least rainfall) is December (0.63").
Average rainfall days in January
Hamilton, IA
- Average rainfall days in January: 4 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (4 days).
Average snowfall in January
Hamilton, IA
- Average snowfall in January: 2.87"
The month with the highest snowfall is January (2.87").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Hamilton, IA
- Average snowfall days in January: 8.2 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Hamilton, 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 and 1min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in January
Hamilton, IA
- Average sunshine days in January: 19.5 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is June (11.1 days).
Average UV index in January
Hamilton, IA
- Average UV index in January: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in January
Hamilton, IA
- Average cloud cover in January: 54
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility in January
Hamilton, IA
- 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).
Hamilton, Iowa, USA
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