Grants Weather in August

What's the weather like in Grants (New Mexico) in August 2025?

The climate in Grants during August can be summarized as warm and reasonably dry.

August is in the summer in Grants and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a comfortable 28°C (81°F), whilst at night 10°C (51°F) is normal.

Grants weather averages (imperial / metric)
Daytime temperature	27.5°C 81.4°F
Nightly temperature	10.4°C 50.6°F
Average temperature	18.9°C 66°F
Daily sunshine	10.6 hrs
Avg rainfall	63 mm 2.5 ins
Rainy days	10 days
Sea temperature	20.6°C 69°F
Humidity	48%
Windspeed	14kph 9 mph

On average August is the wettest month of the year in Grants with around 63mm 2.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.6 hours of sunshine per day.

August temperatures in Grants

August rainfall

August hourly sunshine

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Grants in August 2025.