Climate · Dickinson

Dickinson, TX climate

Dickinson has warm winters and warm summers, with plenty of rain. A typical July afternoon reaches 91°, a January night drops to 45°, and snow is almost unheard of.

NOAA 1991-2020 climate normals Updated once a decade
July high
91°
56th coolest of 1,859 Texas towns
January low
45°
388th mildest of 1,859 Texas towns
Rain + melted snow
54 in
111th wettest of 1,859 Texas towns
Snow a winter
0.2 in
681st snowiest of 1,796 Texas towns
A normal year

What a year in Dickinson feels like

Winter

65° / 47°
Typical high / low · Snow is rare

Spring

78° / 61°
Typical high / low · Last frost around Jan 31

Summer

91° / 75°
Typical high / low · 76 days reach 90° in a normal year

Fall

81° / 63°
Typical high / low · First frost around Dec 14
Best months to be outsideJanFebMarAprOctNovDecHighs of 62–84° and lows of 40° or more
Month by month

Dickinson weather by month

Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.

MonthHighLowRain + meltSnowWet daysSnow on ground30-yr range
January64°45°4.4" 0100 49° – 61°
February67°49°2.9" 090 49° – 66°
March72°55°3.2" 090 58° – 71°
April78°61°3.6" 080 65° – 73°
May84°68°4.6" 070 72° – 79°
June90°74°5.4" 0100 79° – 84°
July91°76°4.4" 0100 81° – 86°
August92°76°5.4" 0100 80° – 88°
September88°72°6.1" 0110 77° – 85°
October82°63°5.2" 080 69° – 77°
November72°54°4.2" 080 57° – 68°
December66°48°4.4" 0.2"110 50° – 61°
Year79°62°53.8"0.2"1110

“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.

Rain & snow

Rain and snow in Dickinson

Dickinson gets 54 inches of rain and melted snow a year. September is the wettest month and February the driest. Rain or snow falls on about 111 days a year.

54 in
Rain + melted snow a year
More rain than 93% of U.S. towns
0.2 in
Snow in a normal winter
Less snow than 90% of U.S. towns
0 days
With 1"+ of snow on the ground
Fewer than 87% of U.S. towns

Rain + melted snow by month

Inches of water
6.1"

Snowfall by month

About 0.2" in a normal year, so most winters see none.
Frost & the growing season

About 317 frost-free days a year

In half of years the last 32° night comes by January 31 and the first one by December 14. That leaves about 317 frost-free days for gardens, longer than 96% of U.S. towns.

9
nights at or below 32° in a normal year
0
nights below 0° in a normal year
76
days that reach 90° in a normal year

Freezing nights by month

Average nights at or below 32°

90° days by month

Average days at 90° or more
Heating & cooling

Heating and cooling a home in Dickinson

Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Dickinson, 26% of that work is heating and 74% is cooling, so air conditioning is the bigger bill.

26%heating
1,147 heating degree daysLess heating than 97% of U.S. towns
3,198 cooling degree daysMore cooling than 97% of U.S. towns

Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.

Around Dickinson

Dickinson and its neighbors

Dickinson borders 3 towns with climate data. January nights across them vary by 1.7°. League City has the coldest January nights (45°) and Santa Fe the hottest July afternoons (92°). Dickinson’s January low is 45° and its July high 91°.

San Leon: January low 46°, July high 90°Bacliff: January low 46°, July high 90°La Marque: January low 46°, July high 90°Galveston: January low 48°, July high 89°Webster: January low 45°, July high 91°Nassau Bay: January low 45°, July high 91°Friendswood: January low 45°, July high 92°Clear Lake Shores: January low 46°, July high 90°Kemah: January low 46°, July high 90°Seabrook: January low 46°, July high 90°Hitchcock: January low 47°, July high 90°Texas City: January low 47°, July high 90°League City: January low 45°, July high 91°Santa Fe: January low 45°, July high 92°Dickinson: January low 45°, July high 91° DickinsonTexas CityLeague CitySanta Fe
ColderMilder45° to 48°
League City45.1° −0.2°
Santa Fe45.2° −0.1°
Dickinson45.3°
Texas City46.8° +1.5°

Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.

Compared with other towns

How Dickinson compares

Summer heat91° July high
Hotter than 84% of U.S. towns56th coolest of 1,859 Texas towns
Winter cold45° January low
Milder than 97% of U.S. towns388th mildest of 1,859 Texas towns
Precipitation54" a year
Wetter than 93% of U.S. towns111th wettest of 1,859 Texas towns
Snow0.2" a winter
Less snow than 90% of U.S. towns681st snowiest of 1,796 Texas towns
Growing season317 frost-free days
Longer than 96% of U.S. towns394th longest of 1,853 Texas towns

Compared with every U.S. town and city on TownTapestry, each counted once.

Then and now

Warmer than it used to be

+1.4°1991–2020 average vs. the 20th century (1901–2000)

The last 30 years in Dickinson averaged 1.4° warmer than the 1900s. The biggest change is in February (+2.6°). The shift is larger than in 65% of U.S. towns.

❄️ Winter+1.7° now 56°, was 55°
🌷 Spring+1.5° now 70°, was 68°
☀️ Summer+1.1° now 83°, was 82°
🍂 Fall+1.3° now 72°, was 70°

Change by month1991–2020 average minus 1901–2000 average, at Dickinson’s spot on NOAA’s grid

Year to year

How much a month can swing

A normal is an average, and real years wander around it. February swings the most: between 1991 and 2020 its average temperature ranged from 49° to 66°. July is the most reliable, staying within 5°.

Coldest to warmest month in 30 yearsNormal
Questions

Common questions about Dickinson’s climate

What is the coldest month in Dickinson?

January, with a typical high of 64° and a low of 45°.

What is the hottest month in Dickinson?

August, with a typical high of 92° and a low of 76°. About 76 days a year reach 90°.

How much snow does Dickinson get?

Almost none. A normal year brings 0.2 inches.

When is the first frost in Dickinson?

In half of years the first 32° night comes by December 14, and the last spring frost by January 31.

What is the rainiest month in Dickinson?

September, with 6.1 inches of rain and melted snow. The year totals 54 inches.

Temperatures and rainfall come from NOAA’s gridded climate normals for Dickinson itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Houston Nwso, TX (2 mi) away. Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.

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