January weather forecastMartelle, IA
January
Weather in January
January, the same as December, in Martelle, Iowa, is a freezing cold winter month, with an average temperature fluctuating between 25.5°F (-3.6°C) and 13.5°F (-10.3°C).Temperature
In Martelle, the month of January registers the lowest temperatures, averaging 25.5°F (-3.6°C) at the peak and 13.5°F (-10.3°C) at the lowest.Humidity
January is the most humid month in Martelle, Iowa, with an average relative humidity of 86%.Rainfall
In Martelle, in January, it is raining for 4.1 days, with typically 1.18" (30mm) of accumulated precipitation. Throughout the year, in Martelle, there are 137.5 rainfall days, and 27.68" (703mm) of precipitation is accumulated.Snowfall
Months with snowfall in Martelle are January through April, October through December. The month with the most snowfall in Martelle is January, when snow falls for 11.3 days and typically aggregates up to 5.16" (131mm) of snow.Daylight
The average length of the day in January is 9h and 32min.On the first day of the month, sunrise is at 7:33 am and sunset at 4:44 pm. On the last day of January, sunrise is at 7:19 am and sunset at 5:18 pm CST.
Sunshine
The month with the least sunshine in Martelle, Iowa, is January, with an average of 3.8h of sunshine.UV index
In Martelle, the average daily maximum UV index in January is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high UV index of 2 in January translates into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. It's recommended to limit sun exposure when its radiation is at its peak during midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in January
Martelle, IA
- Average high temperature in January: 25.5°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (25.5°F).
- Average low temperature in January: 13.5°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.5°F).
Average pressure in January
Martelle, IA
- Average pressure in January: 30.13"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in January
Martelle, IA
- Average wind speed in January: 10.5mph
The windiest month (with the highest average wind speed) is April (10.8mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in January
Martelle, IA
- Average humidity in January: 86%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is October (74%).
Average rainfall in January
Martelle, IA
- Average rainfall in January: 1.18"
The wettest month (with the highest rainfall) is May (4.45").
The driest month (with the least rainfall) is February (1.02").
Average rainfall days in January
Martelle, IA
- Average rainfall days in January: 4.1 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is January (4.1 days).
Average snowfall in January
Martelle, IA
- Average snowfall in January: 5.16"
The month with the highest snowfall is January (5.16").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Martelle, IA
- Average snowfall days in January: 11.3 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Martelle, IA
- Average daylight in January: 9h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January: 3h and 48min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in January
Martelle, IA
- Average sunshine days in January: 16.5 days
The month with the most sunshine days is December (18.2 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in January
Martelle, IA
- Average UV index in January: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in January
Martelle, IA
- Average cloud cover in January: 59
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in January
Martelle, 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).
