Portales (NM) Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Portales.

Climate overview of Portales

Portales, New Mexico, United States of America, sees big temperature differences between seasons, with June peaking at 34°C (93°F) and December dropping to 12°C (54°F).

With around 396 mm (16 in) of annual rain/snowfall, Portales has a fairly dry climate. However, it has a distinct dry season from November to April, with very warm summers and cold winters. The wettest month is July, while November sees the least rain.

Portales Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Portales - and find the best time to visit.

Monthly Temperature in Portales

Visitors to Portales can expect significant temperature changes throughout the year. Average daytime temperatures reach a very warm 34°C (93°F) in June. In December, the coolest month of the year, temperatures drop to a chilly 12°C (54°F).

At night, temperatures range from around 19°C (66°F) in June to -5°C (23°F) in December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Portales

Portales's climate is marked by below-average rain/snowfall, accumulating 396 mm (16 in) of precipitation yearly. Portales can be quite wet during July, receiving approximately 68 mm (2.7 in) of precipitation over 9 rainy days.

In contrast, during the driest month (November), you will experience much drier conditions, with 7.6 mm (0.3 in) of precipitation spread across 2 rainy days. For more details, please visit our Portales Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Best Time to Visit Portales

Conditions in Portales are generally most comfortable in March, April, May, September, October and November. They are typically least comfortable in June and July.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: March, April, May, September, October and November
  • Warmest weather: June, July and August
  • Seasonal pattern: A distinct dry season from November to April, with very warm summers and cold winters
  • Coldest conditions: December, with freezing nights around -5°C (23°F).

Frequently asked questions about the climate in Portales

What is the best time to visit Portales?

March, April, May, September, October and November typically offer the most optimal weather in Portales. In contrast, June and July tend to have less optimal conditions. Portales has a distinct dry season from November to April, with very warm summers and cold winters.

What temperatures can I expect in Portales?

Daytime highs range from 12°C (54°F) in December to 34°C (93°F) in June. Nighttime lows range from -5°C (23°F) to 19°C (66°F). Temperatures vary considerably through the year.

How much rain does Portales get?

Annual rainfall is around 396 mm (16 in). July is the wettest month with 68 mm (2.7 in), while November is the driest with 7.6 mm (0.3 in).

Portales 3-Day Forecast

Portales on the map

Portales is highlighted - select any city to see its climate.

Popular this month

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.