Brenham weather in December

In December, Brenham sees average daytime highs of 63°F and overnight lows near 45°F, with 3.6 in of rain across 8.7 wet days and about 10.1 hours of daylight. It is the 11th-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 66°F in the first days to 61°F by the end. The sky is clear or mostly clear about 37% of the time in December, and the air most often feels dry.

Daylight stretches from about 10 h 12 min at the start of December to 10 h 06 min by month's end. Set against the rest of the year, December is Brenham's 10th-clearest and 6th-windiest month. For the whole year in context, see Brenham's year-round climate.

Daytime high
63°
11th warmest
Overnight low
45°
2nd coldest
Rainfall
3.6 in
8.7 wet days
Daylight
10 h 06 min
7:20 AM – 5:24 PM
Cloud cover
57%
10th clearest
Wind
9 mph
6th windiest
Solar energy
2.61 kWh/m²
Travel score
5.8
out of 10

Brenham is city and county seat of Washington County, Texas, United States.

Density
497/km²
people per km²
Founded
1844

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 66°F in the first days to 61°F by the end.

A typical December day in Brenham reaches about 63°F in the afternoon and slips back to 45°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 50°F and 76°F. Set against its neighbours, December runs about 7°F cooler than November and about 2°F warmer than January.

20°40°60°80°151015202531
Avg high (°F)Avg low (°F)
16647
26647
36647
46546
56546
66546
76546
86446
96445
106445
116445
126445
136445
146345
156344
166344
176344
186344
196344
206244
216244
226244
236244
246243
256243
266243
276143
286143
296143
306143
316143

How December really feels in Brenham

Once humidity and wind are folded in, December averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Brenham weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan62° / 43°3.28.610.35.4
Feb65° / 46°2.78.410.96.1
Mar72° / 53°3.28.511.86.9
Apr78° / 59°3.4812.77.0
May86° / 67°4.19.713.55.2
Jun91° / 74°3.31013.93.7
Jul94° / 76°1.97.313.73.0
Aug95° / 76°2.77.513.12.7
Sep90° / 71°3.18.412.24.3
Oct81° / 61°3.67.211.36.9
Nov71° / 51°3.37.910.57.1
Dec63° / 45°3.68.710.15.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 37% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 11% of December, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15248
25149
35050
45050
54951
64951
74852
84753
94753
104753
114753
124753
134753
144852
154852
164852
174852
184951
194852
204852
214852
224753
234753
244753
254654
264753
274753
284654
294654
304654
314654

Chance of precipitation in December

Any precipitation

Brenham gets around 3.6 in of rain over 8.7 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 28% and peaks near 30% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
127
228
328
428
528
629
729
829
929
1029
1129
1230
1330
1430
1530
1629
1729
1829
1929
2028
2128
2228
2327
2427
2527
2626
2726
2826
2926
3026
3126

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 78% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1738118
2738118
3738118
4758107
5758107
6758107
7758107
8768106
977896
1077896
1178895
1278895
1378895
1477995
1578994
1678994
1778994
1878994
1980983
2080983
2180983
2280983
2380983
2480983
2581883
2681883
2781883
2882783
2982783
3082783
3182783

Wind in December

Winds average 9 mph in December.

Across December, daily wind ranges from about 9 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
169light breeze
179light breeze
189light breeze
199light breeze
209light breeze
219light breeze
229light breeze
239light breeze
249light breeze
259light breeze
269light breeze
279light breeze
289light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 12 min at the start of December to 10 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 7:09 AM to 7:26 AM, and sunset from 5:21 PM to 5:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.27:095:21
210.27:105:21
310.27:115:21
410.27:125:21
510.17:125:21
610.17:135:21
710.17:145:22
810.17:155:22
910.17:155:22
1010.17:165:22
1110.17:175:22
1210.17:175:23
1310.17:185:23
1410.17:195:23
1510.17:195:23
1610.17:205:24
1710.17:205:24
1810.17:215:24
1910.17:215:25
2010.17:225:25
2110.17:225:26
2210.17:235:26
2310.17:235:27
2410.17:245:27
2510.17:245:28
2610.17:255:28
2710.17:255:29
2810.17:255:29
2910.17:265:30
3010.17:265:31
3110.17:265:31

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.61 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.61 kWh/m² to a high of 6.52 kWh/m² in July across the year — December's 2.61 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.8Moderate
22.7Moderate
32.7Moderate
42.7Moderate
52.7Moderate
62.6Moderate
72.6Moderate
82.6Moderate
92.6Moderate
102.6Moderate
112.6Moderate
122.6Moderate
132.6Moderate
142.6Moderate
152.6Moderate
162.6Moderate
172.6Moderate
182.6Moderate
192.6Moderate
202.6Moderate
212.6Moderate
222.6Moderate
232.6Moderate
242.6Moderate
252.6Moderate
262.6Moderate
272.6Moderate
282.6Moderate
292.7Moderate
302.7Moderate
312.7Moderate
Planning a trip in December

Is December a good time to visit Brenham?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

5.8
Sightseeing
6th-best month of the year
1.6
Beach & pool
11th-best month of the year

December is a reasonable time to visit Brenham for sightseeing.

What to pack for Brenham in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Brenham sees daytime highs around 63°F and nights near 45°F. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Brenham in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Brenham peaks around July 24 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 24UV 11Dec 21UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Very high
May10Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Brenham in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Brenham is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (November, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1419 µg/m³Nov 237 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb8Good
Mar10Good
Apr11Good
May15Moderate
Jun16Moderate
Jul19Moderate
Aug14Moderate
Sep11Good
Oct7Good
Nov7Good
Dec7Good
Location & terrain

Where is Brenham?

Brenham sits at 30.2°N, 96.4°W, 341 ft above sea level, in United States. The nearest listed city is College Station, 32 mi away.

Topography around Brenham

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Brenham.

Within 2 miles, the terrain around Brenham has only modest variations in elevation — a maximum elevation change of 210 ft around an average of 325 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 361 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 682 ft.

The land around Brenham is covered by grassland (42%), trees (33%) and artificial surfaces (22%) within 2 miles, grassland (74%) and trees (23%) within 10 miles, and grassland (54%) and trees (37%) within 50 miles.

2 miles
210 ft
10 miles
361 ft
50 miles
682 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: College Station 32 mi · Bryan 35 mi · Katy 43 mi · Cypress 44 mi · Cinco Ranch 48 mi · The Woodlands 54 mi · Pecan Grove 55 mi · Mission Bend 55 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Brenham (30.1669°, -96.3977°, elevation 341 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).