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 36.9°F (2.7°C) and a low of 23°F (-5°C), is the coldest month.Humidity
In Jamestown, the average relative humidity in January is 76%.Rainfall
The months with the least rainfall are January and February Rain falls for 3.8 days and accumulates 0.43" (11mm) of rain.Snowfall
January through March, October through December are months with snowfall in Jamestown. The month with the most snowfall is January, when snow falls for 4.9 days and typically aggregates up to 0.67" (17mm) of snow.Daylight
In Jamestown, the average length of the day in January is 9h and 49min.On the first day of the month, sunrise is at 7:28 am and sunset at 4:58 pm. On the last day of January, in Jamestown, sunrise is at 7:16 am and sunset at 5:29 pm CST.
Sunshine
January and February, with an average of 4.7h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, a daily UV index of 2 turns into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Jamestown?
How cold is it in Jamestown in January?
What is the average humidity in January in Jamestown?
What is the driest month in Jamestown?
How many days does it rain in January in Jamestown?
What is the snowiest month in Jamestown?
How much does it snow in Jamestown in January?
How many hours of daylight does Jamestown have in January?
When is the sunrise / sunset in January in Jamestown?
What are the months with the least sunshine in Jamestown?
How long on average sun shines in January in Jamestown?
When is the lowest UV index in Jamestown?
How high is the UV index in January in Jamestown?
Average temperature in January
Jamestown, MO
- Average high temperature in January: 36.9°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in January: 23°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (23°F).
Average pressure in January
Jamestown, MO
- 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 (29.91"Hg).
Average wind speed in January
Jamestown, MO
- Average wind speed in January: 9.4mph
The windiest months (with the highest average wind speed) are January and March (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.1mph).
Average humidity in January
Jamestown, MO
- Average humidity in January: 76%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).
Average rainfall in January
Jamestown, MO
- Average rainfall in January: 0.43"
The wettest month (with the highest rainfall) is May (1.3").
The driest months (with the least rainfall) are January and February (0.43").
Average rainfall days in January
Jamestown, MO
- Average rainfall days in January: 3.8 days
The months with the highest number of rainy days are April and May (11.3 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in January
Jamestown, MO
- Average snowfall in January: 0.67"
The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in January
Jamestown, MO
- Average snowfall days in January: 4.9 days
The month with the highest number of snowfall days is February (5.3 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
Jamestown, MO
- Average daylight in January: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in January: 4h and 4min
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 42min).
Average sunshine days in January
Jamestown, MO
- Average sunshine days in January: 23.5 days
The month with the most sunshine days is December (23.7 days).
The month with the least sunshine days is May (15.6 days).
Average UV index in January
Jamestown, MO
- 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, November and December (UV index 2).
Average cloud cover in January
Jamestown, MO
- Average cloud cover in January: 49
The months with the most cloud cover are January, February and March (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility in January
Jamestown, MO
- 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).
Jamestown, Missouri, USA
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