Cypress weather in December

In December, Cypress sees average daytime highs of 64°F and overnight lows near 46°F, with 4.1 in of rain across 9.8 wet days and about 10.1 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 66°F in the first days to 62°F by the end. The sky is clear or mostly clear about 33% 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 Cypress's 10th-clearest and 6th-windiest month. For the whole year in context, see Cypress's year-round climate.

Daytime high
64°
11th warmest
Overnight low
46°
2nd coldest
Rainfall
4.1 in
9.8 wet days
Daylight
10 h 06 min
7:17 AM – 5:21 PM
Cloud cover
59%
10th clearest
Wind
8 mph
6th windiest
Solar energy
2.59 kWh/m²
Travel score
5.8
out of 10

Cypress is unincorporated community of Harris County, Texas, United States.

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 62°F by the end.

A typical December day in Cypress reaches about 64°F in the afternoon and slips back to 46°F overnight — a 18°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)
16748
26748
36647
46647
56647
66547
76547
86547
96546
106546
116446
126446
136446
146446
156446
166445
176445
186445
196345
206345
216345
226345
236345
246244
256244
266244
276244
286244
296244
306244
316244

How December really feels in Cypress

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.

Cypress weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan62° / 44°3.79.710.35.5
Feb66° / 47°3.18.710.96.1
Mar72° / 54°3.39.311.86.8
Apr79° / 60°3.88.612.76.9
May85° / 68°3.99.913.55.2
Jun91° / 74°4.31213.93.7
Jul93° / 75°2.910.613.73.1
Aug93° / 75°3.311.213.12.9
Sep89° / 71°3.810.312.24.3
Oct81° / 61°3.98.711.36.7
Nov71° / 52°3.88.510.57.0
Dec64° / 46°4.19.810.15.8

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15050
24951
34951
44753
54753
64654
74753
84654
94654
104654
114555
124654
134654
144654
154654
164654
174654
184654
194654
204654
214654
224654
234555
244555
254456
264456
274456
284456
294456
304357
314357

Chance of precipitation in December

Any precipitation

Cypress gets around 4.1 in of rain over 9.8 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 32% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202531
Rain chance (%)
130
230
330
430
530
631
731
831
931
1031
1132
1232
1332
1433
1533
1633
1733
1833
1934
2034
2134
2233
2333
2433
2532
2632
2732
2831
2931
3030
3130

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 73% of days. Sticky, muggy-or-worse air turns up on roughly 7% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
168111011
268111011
368111011
47011910
57011910
67011910
77011910
8711199
9721099
10721099
117210108
127210108
137310107
147310107
157310107
167410106
177410106
187410106
197410106
207510105
21769105
22769105
23769105
24769105
25769105
26769105
27769105
2878994
2979894
3079894
3178994

Wind in December

Winds average 8 mph in December.

Across December, daily wind ranges from about 8 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze
318light 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 7:06 AM to 7:23 AM, and sunset from 5:19 PM to 5:29 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.27:065:19
210.27:075:19
310.27:085:19
410.27:085:19
510.27:095:19
610.27:105:19
710.17:115:19
810.17:115:19
910.17:125:20
1010.17:135:20
1110.17:135:20
1210.17:145:20
1310.17:155:20
1410.17:155:21
1510.17:165:21
1610.17:175:21
1710.17:175:22
1810.17:185:22
1910.17:185:23
2010.17:195:23
2110.17:195:23
2210.17:205:24
2310.17:205:24
2410.17:215:25
2510.17:215:25
2610.17:215:26
2710.17:225:26
2810.17:225:27
2910.17:225:28
3010.17:235:28
3110.17:235:29

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 2.59 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 2.59 kWh/m² to a high of 6.34 kWh/m² in July across the year — December's 2.59 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
292.6Moderate
302.6Moderate
312.6Moderate
Planning a trip in December

Is December a good time to visit Cypress?

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
1.8
Beach & pool
11th-best month of the year

December is a reasonable time to visit Cypress for sightseeing.

What to pack for Cypress in December

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

In December, Cypress sees daytime highs around 64°F and nights near 46°F. Worth packing: a warm layer and rain gear. About 10 days see rain.

a warm layerrain gear

UV index in Cypress 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 Cypress peaks around July 21 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 21UV 11Dec 21UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Very high
May10Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Cypress 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 Cypress is worst in July — around 21 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1520 µg/m³Dec 138 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr11Good
May15Moderate
Jun17Moderate
Jul21Moderate
Aug15Moderate
Sep12Moderate
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Cypress?

Cypress sits at 30.0°N, 95.7°W, 151 ft above sea level, in United States. The nearest listed city is Katy, 15 mi away.

Topography around Cypress

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

Within 2 miles, the terrain around Cypress has only modest variations in elevation — a maximum elevation change of 66 ft around an average of 151 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 246 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 528 ft.

The land around Cypress is covered by trees (37%), artificial surfaces (31%) and grassland (26%) within 2 miles, trees (38%), grassland (32%) and artificial surfaces (22%) within 10 miles, and trees (46%) and grassland (35%) within 50 miles.

2 miles
66 ft
10 miles
246 ft
50 miles
528 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Katy 15 mi · Cinco Ranch 16 mi · The Woodlands 18 mi · Spring 19 mi · Alief 19 mi · Mission Bend 19 mi · Aldine 19 mi · Bellaire 23 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 Cypress (29.9691°, -95.6972°, elevation 151 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).