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 an average high of 28.8°F (-1.8°C) and a low of 15.3°F (-9.3°C), signifies the coldest month of the year.Humidity
January and June, with an average relative humidity of 82%, are the most humid months.Rainfall
In January, the rain falls for 3.4 days. Throughout January, 0.63" (16mm) of precipitation is accumulated. Throughout the year, there are 118.9 rainfall days, and 18.62" (473mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Martensdale, during January, snow falls for 9.7 days and regularly aggregates up to 2.99" (76mm) of snow. Throughout the year, there are 31.9 snowfall days, and 10.12" (257mm) of snow is accumulated.Daylight
In January, the average length of the day is 9h and 35min.On the first day of the month, sunrise is at 7:40 am and sunset at 4:55 pm. On the last day of January, sunrise is at 7:27 am and sunset at 5:29 pm CST.
Sunshine
The month with the least sunshine in Martensdale is January, with an average of 4.3h 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 health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: An average UV index of 1 in January transforms into this advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
How cold is January?
What is the most humid month?
What is the average humidity in January?
How many days does it rain in January?
How much does it snow in January?
How many hours of daylight does Martensdale have in January?
What time are sunrise and sunset in January?
What is the month with the least sunshine?
How long on average sun shines in January?
When is the lowest UV index?
How high is the UV index in January?
Average temperature in January
Martensdale, IA
- Average high temperature in January: 28.8°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in January: 15.3°F
The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).
Average pressure in January
Martensdale, 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
Martensdale, IA
- Average wind speed in January: 10.4mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.9mph).
Average humidity in January
Martensdale, IA
- Average humidity in January: 82%
The months with the highest relative humidity are January and June (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Martensdale, IA
- Average rainfall in January: 0.63"
The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is December (0.55").
Average rainfall days in January
Martensdale, IA
- Average rainfall days in January: 3.4 days
The months with the highest number of rainy days are May and June (15.9 days).
The month with the least rainy days is January (3.4 days).
Average snowfall in January
Martensdale, IA
- Average snowfall in January: 2.99"
The month with the highest snowfall is February (3.03").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Martensdale, IA
- Average snowfall days in January: 9.7 days
The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Martensdale, 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 12min).
- Average sunshine in January: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in January
Martensdale, IA
- Average sunshine days in January: 19.5 days
The month with the most sunshine days is December (21.9 days).
The month with the least sunshine days is June (11 days).
Average UV index in January
Martensdale, 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
Martensdale, IA
- Average cloud cover in January: 53
The month with the most cloud cover is January (Cloud cover 53).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in January
Martensdale, 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).
Martensdale, Iowa, USA
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