Shamrock (TX) Weather & Climate: Best Time to Visit

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

Climate overview of Shamrock

The climate in Shamrock, Texas, United States of America, is marked by large temperature swings across the seasons, ranging from 35°C (95°F) in July to 11°C (52°F) in December.

The city receives around 621 mm (24 in) of rain/snowfall per year. It experiences a distinct dry season from November to March, with very warm summers and cold winters. May is the wettest month and January the driest.

Shamrock Weather by Month

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

Monthly Temperature in Shamrock

In Shamrock, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 35°C (95°F) in July to a chilly 11°C (52°F) in December.

Nighttime temperatures range from 20°C (68°F) in July to -5°C (23°F) in December.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Shamrock

On average, Shamrock receives a reasonable amount of rain/snowfall, with an annual precipitation of 621 mm (24 in). The seasons in Shamrock bring significant changes in precipitation. The wettest month, May, receives moderate rainfall, with an average of 97 mm (3.8 in) of precipitation. This rainfall is distributed across 9 rainy days.

In contrast, the driest month, January, experiences much less rainfall, totaling 15 mm (0.6 in) over 3 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Shamrock Precipitation page.

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

Best Time to Visit Shamrock

The most comfortable overall weather for exploring Shamrock is usually found in April, May and October. Conditions are generally least comfortable in July and August.

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

  • Best overall: April, May and October
  • Warmest weather: July and August
  • Fewest rainy days: January, February, November and December
  • Seasonal pattern: A distinct dry season from November to March, 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 Shamrock

What is the best time to visit Shamrock?

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

What temperatures can I expect in Shamrock?

Daytime highs range from 11°C (52°F) in December to 35°C (95°F) in July. Nighttime lows range from -5°C (23°F) to 20°C (68°F). Temperatures vary considerably through the year.

How much rain does Shamrock get?

Annual rainfall is around 621 mm (24 in). May is the wettest month with 97 mm (3.8 in), while January is the driest with 15 mm (0.6 in).

Shamrock 3-Day Forecast

Shamrock on the map

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