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
Portales's shift into January sets the average high-temperature at a still fresh 50.9°F (10.5°C), a figure that deviates only slightly from December's 50°F (10°C). In January, the nighttime temperature lowers to an average of 31.3°F (-0.4°C).Humidity
In January, the average relative humidity is 51%.Rainfall
In January, the rain falls for 3 days. Throughout January, 0.31" (8mm) of precipitation is accumulated. In Portales, during the entire year, the rain falls for 86.6 days and collects up to 11.77" (299mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. The months with the most snowfall in Portales are January and February, with an average 1.34" (34mm) of accumulated snow.Daylight
In Portales, the average length of the day in January is 10h and 11min.On the first day of January, sunrise is at 6:59 am and sunset at 4:54 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 5:22 pm MST.
Sunshine
January, February and December, with an average of 7h of sunshine, are months with the least sunshine.UV index
In January, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In January, the average maximum UV index of 3 translates into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Around midday, solar radiation is most harmful; hence, exposure should be limited. Stay sun-safe with clothing that is both closely woven and worn loosely. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Portales in January?
What is the average humidity in January?
How much does it rain in January?
When does it snow the most?
How much does it snow in January?
What is the average length of the day in January in Portales?
When is the sunrise / sunset in January?
What is the month with the least sunshine?
How many hours of sunshine does Portales have in January?
What is the UV index intensity in January?
Average temperature in January
Portales, NM
- Average high temperature in January: 50.9°F
The warmest month (with the highest average high temperature) is June (90.7°F).
The month with the lowest average high temperature is December (50°F).
- Average low temperature in January: 31.3°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).
Average pressure in January
Portales, NM
- Average pressure in January: 30.11"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.84"Hg).
Average wind speed in January
Portales, NM
- Average wind speed in January: 11.2mph
The windiest month (with the highest average wind speed) is April (13.3mph).
The calmest month (with the lowest average wind speed) is August (9.9mph).
Average humidity in January
Portales, NM
- Average humidity in January: 51%
The month with the highest relative humidity is December (54%).
The month with the lowest relative humidity is April (34%).
Average rainfall in January
Portales, NM
- Average rainfall in January: 0.31"
The wettest month (with the highest rainfall) is October (1.81").
The driest month (with the least rainfall) is November (0.28").
Average rainfall days in January
Portales, NM
- Average rainfall days in January: 3 days
The month with the highest number of rainy days is July (12.9 days).
The month with the least rainy days is November (2.6 days).
Average snowfall in January
Portales, NM
- Average snowfall in January: 1.34"
The months with the highest snowfall are January and February (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in January
Portales, NM
- Average snowfall days in January: 2.8 days
The month with the highest number of snowfall days is December (3.5 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
Portales, NM
- Average daylight in January: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in January: 7h and 0min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The months with the least sunshine are January, February and December (Average sunshine: 7h and 0min).
Average sunshine days in January
Portales, NM
- Average sunshine days in January: 26.4 days
The month with the most sunshine days is January (26.4 days).
The month with the least sunshine days is August (14 days).
Average UV index in January
Portales, NM
- 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
Portales, NM
- Average cloud cover in January: 17
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is June (Cloud cover 13).
Average visibility in January
Portales, NM
- 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).
Portales, New Mexico, USA
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