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Waco, Texas climate

Cfa Humid subtropical

Waco 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 3°C at night. Precipitation is fairly even year-round, totalling about 733 mm.

☀️ Summers

Very hot

Highs near 36°C in August.

About 84 days a year above 32 °C

❄️ Winters

Chilly

Lows near 3°C in January.

About 24 freezing nights a year

🌧️ Rain

Moderate rainfall

About 733 mm of rain a year.

Wettest in June

⛅ Sky & trend

Partly cloudy

A roughly even mix of sun and cloud.

+0.3 °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

Waco climate normals (1991–2020)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	15	17	22	26	30	34	36	36	32	27	20	16
Avg temp (°C)	9	11	15	19	24	28	30	30	26	21	14	10
Avg low (°C)	3	5	8	13	18	22	24	24	20	14	8	4
Precipitation (mm)	49	70	48	53	63	74	41	53	70	73	68	70
Snowfall (cm)	—	0	—	—	—	—	—	—	—	—	—	—

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Avg high (°C)	15	17	22	26	30	34
Avg temp (°C)	9	11	15	19	24	28
Avg low (°C)	3	5	8	13	18	22
Precipitation (mm)	49	70	48	53	63	74
Snowfall (cm)	—	0	—	—	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Avg high (°C)	36	36	32	27	20	16
Avg temp (°C)	30	30	26	21	14	10
Avg low (°C)	24	24	20	14	8	4
Precipitation (mm)	41	53	70	73	68	70
Snowfall (cm)	—	—	—	—	—	—

How often — frequency of weather events

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	4	4	4	3	4	4	3	3	3	4	4	4
Days with high ≥ 32°C (days)	—	0.2	—	1	6	16	23	22	13	2	—	—
Days with low ≤ 0°C (days)	9	3	2	0.3	—	—	—	—	0.5	—	1	8

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Days with measurable rain (days)	4	4	4	3	4	4
Days with high ≥ 32°C (days)	—	0.2	—	1	6	16
Days with low ≤ 0°C (days)	9	3	2	0.3	—	—

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Days with measurable rain (days)	3	3	3	4	4	4
Days with high ≥ 32°C (days)	23	22	13	2	—	—
Days with low ≤ 0°C (days)	—	—	0.5	—	1	8

Sky & atmosphere

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	56	59	59	55	58	46	40	41	43	43	50	55
Clear days (≤ 30% cloud)	9	8	8	9	7	11	14	14	12	14	10	9
Partly cloudy days (30–70%)	9	7	9	9	10	11	11	11	10	8	9	9
Cloudy days (≥ 70%)	13	14	14	12	14	8	6	7	8	9	10	13
Relative humidity (%)	72	72	71	69	71	68	60	58	64	67	71	72
Wind speed (m/s)	3.1	3.3	3.4	3.4	3.1	2.9	2.9	2.6	2.5	2.8	3.0	3.0

Jan – Jun	Jan	Feb	Mar	Apr	May	Jun
Cloud cover (%)	56	59	59	55	58	46
Clear days (≤ 30% cloud)	9	8	8	9	7	11
Partly cloudy days (30–70%)	9	7	9	9	10	11
Cloudy days (≥ 70%)	13	14	14	12	14	8
Relative humidity (%)	72	72	71	69	71	68
Wind speed (m/s)	3.1	3.3	3.4	3.4	3.1	2.9

Jul – Dec	Jul	Aug	Sep	Oct	Nov	Dec
Cloud cover (%)	40	41	43	43	50	55
Clear days (≤ 30% cloud)	14	14	12	14	10	9
Partly cloudy days (30–70%)	11	11	10	8	9	9
Cloudy days (≥ 70%)	6	7	8	9	10	13
Relative humidity (%)	60	58	64	67	71	72
Wind speed (m/s)	2.9	2.6	2.5	2.8	3.0	3.0

Methodology & sources

Temperature — modelled for this location from ERA5-Land reanalysis, a ~9 km global grid, because no long-record weather station is close enough to use.

Precipitation — 1991–2020 normals computed from 10 years of daily observations at Waco, a weather station, about 6 km from the city centre. The underlying daily records come from NOAA's global station network.

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 →