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New Braunfels, Texas climate

Cfa Humid subtropical

New Braunfels has a seasonal warm-temperate climate (Humid subtropical, Köppen Cfa). The hottest month is August with an average daily high near 36°C, while the coldest is January averaging around 4°C at night. Around 928 mm of precipitation falls each year, peaking in May (115 mm) and easing off in February (44 mm).

☀️ Summers

Very hot

Highs near 36°C in August.

About 113 days a year above 32 °C

❄️ Winters

Chilly

Lows near 4°C in January.

About 18 freezing nights a year

🌧️ Rain

Moderate rainfall

About 928 mm of rain a year.

Wettest in May

⛅ Sky & trend

Partly cloudy

A roughly even mix of sun and cloud.

+0.4 °C vs 50 years ago

Temperature & precipitation

Daily high–low temperature range with the monthly average, plus monthly precipitation · 1991–2020 normals · hover a month for the exact figures

Clear vs cloudy days

Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day counts

New Braunfels climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	17	19	23	27	30	34	35	36	33	28	22	18
Avg temp (°C)	10	13	16	20	24	28	29	30	26	21	16	11
Avg low (°C)	4	6	10	14	18	22	23	23	20	15	9	5
Precipitation (mm)	61	44	70	81	115	91	56	66	102	112	68	61

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	17	19	23	27	30	34
Avg temp (°C)	10	13	16	20	24	28
Avg low (°C)	4	6	10	14	18	22
Precipitation (mm)	61	44	70	81	115	91

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	35	36	33	28	22	18
Avg temp (°C)	29	30	26	21	16	11
Avg low (°C)	23	23	20	15	9	5
Precipitation (mm)	56	66	102	112	68	61

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	7	7	8	7	7	6	5	5	7	6	6	8
Days with high ≥ 32°C (days)	—	0.2	0.3	2	9	23	28	29	18	5	0.0	—
Days with low ≤ 0°C (days)	6	4	1	—	—	0.0	—	—	—	0.0	2	5
Days with snowfall ≥ 2.5 cm (days)	—	0.0	—	—	—	—	—	—	—	—	—	0.0

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	7	7	8	7	7	6
Days with high ≥ 32°C (days)	—	0.2	0.3	2	9	23
Days with low ≤ 0°C (days)	6	4	1	—	—	0.0
Days with snowfall ≥ 2.5 cm (days)	—	0.0	—	—	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	5	5	7	6	6	8
Days with high ≥ 32°C (days)	28	29	18	5	0.0	—
Days with low ≤ 0°C (days)	—	—	—	0.0	2	5
Days with snowfall ≥ 2.5 cm (days)	—	—	—	—	—	0.0

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	60	63	63	60	59	48	43	43	47	43	53	60
Clear days (≤ 30% cloud)	7	6	6	7	6	10	13	12	11	13	9	7
Partly cloudy days (30–70%)	9	7	9	10	12	13	13	13	11	11	10	9
Cloudy days (≥ 70%)	15	15	16	14	13	8	6	6	8	8	11	15
Relative humidity (%)	72	72	71	68	70	68	63	61	67	68	71	72
Wind speed (m/s)	3.0	3.1	3.2	3.3	3.2	3.0	2.9	2.7	2.5	2.7	2.9	2.9

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	60	63	63	60	59	48
Clear days (≤ 30% cloud)	7	6	6	7	6	10
Partly cloudy days (30–70%)	9	7	9	10	12	13
Cloudy days (≥ 70%)	15	15	16	14	13	8
Relative humidity (%)	72	72	71	68	70	68
Wind speed (m/s)	3.0	3.1	3.2	3.3	3.2	3.0

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	43	43	47	43	53	60
Clear days (≤ 30% cloud)	13	12	11	13	9	7
Partly cloudy days (30–70%)	13	13	11	11	10	9
Cloudy days (≥ 70%)	6	6	8	8	11	15
Relative humidity (%)	63	61	67	68	71	72
Wind speed (m/s)	2.9	2.7	2.5	2.7	2.9	2.9

Methodology & sources

Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at San Marcos (NOAA GHCN station USC00417983), about 26 km from the city centre.

Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.

How we build these numbers →