Monthly weather forecast and climate
Portales, NM

Silhouette windmill images on a small hill in Portales in NM, below the colorful yellow, orange, and grey sunset sky
Silhouette windmill images on a small hill in Portales in NM, below the colorful yellow, orange, and grey sunset sky

Weather in January

January, like December, in Portales, New Mexico, is another fresh winter month, with average temperature ranging between min 31.3°F (-0.4°C) and max 50.9°F (10.5°C). In January, the average high-temperature is relatively the same as in December - a still fresh 50.9°F (10.5°C). Weather in January »

Weather in February

The last month of the winter, February, is another cool month in Portales, New Mexico, with average temperature ranging between max 54.7°F (12.6°C) and min 33.6°F (0.9°C). In Portales, the average high-temperature is essentially the same as in January - a still cool 54.7°F (12.6°C). Weather in February »

Weather in March

The first month of the spring, March, is an enjoyable month in Portales, New Mexico, with average temperature varying between 42.3°F (5.7°C) and 65.3°F (18.5°C). In Portales, the average high-temperature rises, from a cool 54.7°F (12.6°C) in February, to a comfortable 65.3°F (18.5°C). Weather in March »

Weather in April

April is a pleasant spring month in Portales, New Mexico, with average temperature fluctuating between 47.7°F (8.7°C) and 72.3°F (22.4°C). In April, the average high-temperature marginally rises, from a comfortable 65.3°F (18.5°C) in March, to an agreeable 72.3°F (22.4°C). Weather in April »

Weather in May

May, the last month of the spring, in Portales, is a moderately hot month, with average temperature fluctuating between 55.4°F (13°C) and 80.1°F (26.7°C). In Portales, the average high-temperature in May marginally rises, from a pleasant 72.3°F (22.4°C) in April, to a warm 80.1°F (26.7°C). Weather in May »

Weather in June

The first month of the summer, June, is a tropical month in Portales, New Mexico, with average temperature varying between 66.7°F (19.3°C) and 90.7°F (32.6°C). The warmest month is June, with an average high-temperature of 90.7°F (32.6°C) and an average low-temperature of 66.7°F (19.3°C). In June, the average heat index is calculated to a tropical 91.8°F (33.2°C). Weather in June »

Weather in July

July, the same as June, in Portales, New Mexico, is a hot summer month, with temperature in the range of an average high of 90.5°F (32.5°C) and an average low of 69.4°F (20.8°C). In July, the average high-temperature is practically the same as in June - a still tropical 90.5°F (32.5°C). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Portales, New Mexico, with average temperature varying between 68.2°F (20.1°C) and 90.1°F (32.3°C). In August, the average high-temperature is practically the same as in July - a still hot 90.1°F (32.3°C). Weather in August »

Weather in September

September, the first month of the autumn, in Portales, is still a warm month, with average temperature varying between 61.2°F (16.2°C) and 81.7°F (27.6°C). In September, the average high-temperature slightly decreases, from a tropical 90.1°F (32.3°C) in August, to a moderately hot 81.7°F (27.6°C). Weather in September »

Weather in October

October, like September, is an agreeable autumn month in Portales, New Mexico, with temperature in the range of an average low of 49.5°F (9.7°C) and an average high of 70.2°F (21.2°C). In Portales, the average high-temperature drops, from a moderately hot 81.7°F (27.6°C) in September, to a pleasant 70.2°F (21.2°C). Weather in October »

Weather in November

November, the last month of the autumn, in Portales, is another mild month, with average temperature ranging between max 59.5°F (15.3°C) and min 39.2°F (4°C). In Portales, New Mexico, the average high-temperature drops, from a pleasant 70.2°F (21.2°C) in October, to a moderate 59.5°F (15.3°C). Weather in November »

Weather in December

The first month of the winter, December, is also a fresh month in Portales, New Mexico, with average temperature varying between 31.1°F (-0.5°C) and 50°F (10°C). The coldest month is December, with an average high-temperature of 50°F (10°C) and an average low-temperature of 31.1°F (-0.5°C). Weather in December »
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FAQ

How many days does it rain in Portales?

In Portales, New Mexico, during the entire year, the rain falls for 86.6 days and collects up to 11.77" (299mm) of precipitation.

When does it snow in Portales?

Months with snowfall in Portales, New Mexico, are January through April, October through December.

How many days does it snow in Portales?

Throughout the year, in Portales, New Mexico, there are 12.8 snowfall days, and 5.79" (147mm) of snow is accumulated.

What is the snowiest month in Portales?

Months with the most snowfall are January and February, with an average 1.34" (34mm) of accumulated snow.

What is the month with the least sunshine in Portales?

Months with the least sunshine are January, February and December, with an average of 7h of sunshine.

What is the least humid month in Portales?

With an average relative humidity of 34%, April is the least humid month in Portales, New Mexico.

When it does not snow in Portales?

May through September are months without snowfall.

What is the warmest month in Portales?

With an average high-temperature of 90.7°F (32.6°C) and an average low-temperature of 66.7°F (19.3°C), June is the warmest month in Portales.

When are the longest days in Portales?

The month with the longest days is June, with an average of 14.4h of daylight.

What month has the most sunshine in Portales?

June has the most sunshine of the year, with an average of 11.9h of sunshine.

When is the highest UV index in Portales?

June through August, with an average maximum UV index of 7, are months with the highest UV index.

What is the rainiest month in Portales?

October is the month with the most rainfall in Portales, New Mexico. Rain falls for 6.6 days and accumulates 1.81" (46mm) of precipitation.

What is the driest month in Portales?

The month with the least rainfall is November when the rain falls for 2.6 days and typically collects 0.28" (7mm) of precipitation.

What is the coldest month in Portales?

With an average high-temperature of 50°F (10°C) and an average low-temperature of 31.1°F (-0.5°C), December is the coldest month.

What is the most humid month in Portales?

December is the most humid month, with an average relative humidity of 54%.

What is the month with the shortest days in Portales?

With an average of 9.9h of daylight, December has the shortest days of the year in Portales.

What is the month with the lowest UV index in Portales?

December is the month with the lowest UV index in Portales, with an average maximum UV index of 2.

Average temperature
Portales, NM

Average temperature - Portales, NM

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).

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).

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Average pressure
Portales, NM

Average pressure - Portales, NM

The month with the highest atmospheric pressure is January (30.11").
The month with the lowest atmospheric pressure is June (29.84").

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Average wind speed
Portales, NM

Average wind speed - Portales, NM

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).

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Average rainfall
Portales, NM

Average rainfall - Portales, NM

The wettest month (with the highest rainfall) is October (1.81").
The driest month (with the least rainfall) is November (0.28").

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Average rainfall days
Portales, NM

Average rainfall days - Portales, NM

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).

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Average snowfall
Portales, NM

Average snowfall - Portales, NM

Months with the highest snowfall are January and February (1.34").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Portales, NM

Average snowfall days - Portales, NM

The month with the highest number of snowfall days is December (3.5 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight / Average sunshine
Portales, NM

Average daylight / Average sunshine - Portales, NM

The month with the longest days is June (Average daylight: 14.4h).
The month with the shortest days is December (Average daylight: 9.9h).

The month with the most sunshine is June (Average sunshine: 11.9h).
Months with the least sunshine are January, February and December (Average sunshine: 7).

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Average sunshine days
Portales, NM

Average sunshine days - Portales, NM

The month with the most sunshine days is January (26.4 days).
The month with the least sunshine days is August (14 days).

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Average visibility
Portales, NM

Average visibility - Portales, NM

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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