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
Helena's coldest temperatures are experienced in January, with average high temperatures of 46.4°F (8°C) and lows of 29.7°F (-1.3°C).Humidity
In Helena, the average relative humidity in January is 62%.Rainfall
In January, the rain falls for 3.7 days. Throughout January, 0.63" (16mm) of precipitation is accumulated. Throughout the year, there are 103.1 rainfall days, and 18.11" (460mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Helena, in January, snow falls for 2.3 days, with typically accumulated 0.79" (20mm) of snow. In Helena, during the entire year, snow falls for 8.7 days and aggregates up to 4.06" (103mm) of snow.Daylight
In January, the average length of the day is 10h and 0min.On the first day of January, sunrise is at 7:45 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 5:57 pm CST.
Sunshine
In January, the average sunshine is 6.5h.UV index
In Helena, Oklahoma, the average daily maximum UV index in January is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 3 during January translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
What is the temperature in January in Helena?
What is the average humidity in January?
How much does it rain in January?
How many days does it snow in January?
What is the average length of the day in January?
What time are sunrise and sunset in January?
How long on average sun shines in January?
How high is the UV index in January?
Average temperature in January
Helena, OK
- Average high temperature in January: 46.4°F
The warmest month (with the highest average high temperature) is July (95.2°F).
The month with the lowest average high temperature is January (46.4°F).
- Average low temperature in January: 29.7°F
The month with the highest average low temperature is July (75.2°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in January
Helena, OK
- 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 (29.86"Hg).
Average wind speed in January
Helena, OK
- Average wind speed in January: 10.1mph
The windiest month (with the highest average wind speed) is April (11.8mph).
The calmest month (with the lowest average wind speed) is August (8.8mph).
Average humidity in January
Helena, OK
- Average humidity in January: 62%
The month with the highest relative humidity is May (66%).
The month with the lowest relative humidity is July (54%).
Average rainfall in January
Helena, OK
- Average rainfall in January: 0.63"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (0.51").
Average rainfall days in January
Helena, OK
- Average rainfall days in January: 3.7 days
The month with the highest number of rainy days is May (13.2 days).
The month with the least rainy days is December (3.6 days).
Average snowfall in January
Helena, OK
- Average snowfall in January: 0.79"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in January
Helena, OK
- Average snowfall days in January: 2.3 days
The month with the highest number of snowfall days is February (2.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in January /
Average sunshine in January
Helena, OK
- Average daylight in January: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in January: 6h and 3min
The month with the most sunshine is June (Average sunshine: 11h and 24min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in January
Helena, OK
- Average sunshine days in January: 25.5 days
The month with the most sunshine days is January (25.5 days).
The month with the least sunshine days is May (15 days).
Average UV index in January
Helena, OK
- Average UV index in January: 3
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in January
Helena, OK
- Average cloud cover in January: 26
The months with the most cloud cover are March and April (Cloud cover 33).
The month with the least cloud cover is June (Cloud cover 17).
Average visibility in January
Helena, OK
- 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).
Helena, Oklahoma, USA
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