Bay City, TX

Climate overview — based on NOAA 1991-2020 normals from BAY CITY WTR WKS, 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

Bay City has an annual average temperature of 68.8°F with about 49.1 inches of precipitation per year. The warmest month is August (average high 91.4°F), and the coldest is January (average low 42.7°F). September is typically the wettest month (5.79 in) and February the driest (2.53 in).

Pleasant months
3 / 12
avg high 65–80°F, low ≥ 50°F
Annual swing
29.1°F
warmest to coldest month
Heating need
1,068
Cooling need
2,436

Best time to visit Bay City

Full guide →

Climate change signal

All-time records →

68 of 366 (18.6%) of Bay City'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.

1910s
33
1940s
18
1950s
94
1960s
37
1970s
18
1980s
19
1990s
38
2000s
26
2010s
43
2020s
40

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 63.2°F 42.7°F 53.0°F 3.76 in 10
February 66.6°F 47.1°F 56.9°F 2.53 in 8
March 72.2°F 52.9°F 62.5°F 3.03 in 7
April 77.6°F 58.9°F 68.3°F 3.24 in 6
May 83.5°F 66.1°F 74.8°F 4.44 in 7
June 88.8°F 71.5°F 80.1°F 5.69 in 8
July 90.6°F 72.8°F 81.7°F 4.51 in 8
August 91.4°F 72.8°F 82.1°F 4.27 in 8
September 88.1°F 68.6°F 78.3°F 5.79 in 10
October 81.4°F 60.3°F 70.9°F 4.24 in 7
November 72.2°F 51.4°F 61.8°F 4.00 in 7
December 65.3°F 45.1°F 55.2°F 3.56 in 9

Climate twins of Bay City

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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