Trinity, TX

Climate overview — based on NOAA 1991-2020 normals from HUNTSVILLE MUNI AP, TX US.

Cfa Humid subtropical climate 9b USDA hardiness Zone 9b

Year-round temperatures (°F)

40° 60° 80° 100° J F M A M J J A S O N D
Avg high Avg low

Climate summary

Trinity has an annual average temperature of 68.7°F with about 43.7 inches of precipitation per year. The warmest month is August (average high 95.2°F), and the coldest is January (average low 41.2°F). June is typically the wettest month (4.57 in) and July the driest (2.75 in).

Pleasant months
2 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
33.7°F
warmest to coldest month
Heating need
1,359
Cooling need
2,691

Best time to visit Trinity

Full guide →

Climate change signal

All-time records →

199 of 366 (54.4%) of Trinity's all-time daily heat records have been set since 2015. If records were spread evenly across the station's history, only about 5% would fall in any given decade.

1990s
20
2000s
87
2010s
102
2020s
157

Bars: number of all-time daily heat records still standing that were set in each decade.

Monthly averages

Month Avg High Avg Low Avg Temp Precipitation Snow Rainy days
January 61.0°F 41.2°F 51.1°F 3.64 in 10
February 64.9°F 44.9°F 54.9°F 2.87 in 9
March 72.1°F 51.3°F 61.7°F 3.36 in 9
April 78.8°F 57.5°F 68.2°F 3.23 in 7
May 86.0°F 66.2°F 76.1°F 4.03 in 8
June 91.7°F 72.8°F 82.2°F 4.57 in 9
July 94.2°F 74.6°F 84.4°F 2.75 in 9
August 95.2°F 74.4°F 84.8°F 3.24 in 7
September 89.7°F 68.7°F 79.2°F 3.22 in 9
October 80.7°F 58.8°F 69.8°F 4.36 in 8
November 69.9°F 49.2°F 59.5°F 4.25 in 9
December 62.3°F 42.7°F 52.5°F 4.13 in 10

Climate twins of Trinity

Why these? →

The most climatically similar US cities at least 140 miles away (by monthly temperature + precipitation pattern).

Frost dates
Last spring / first fall frost
All-time records
Hottest, coldest, wettest
Planting calendar
What to plant, and when

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