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Monthly climate in Bertram, Texas, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Bertram features a humid subtropical climate (Cfa).Temperatures typically range between 10 °C (50 °F) and 29 °C (85 °F) through the year, but rarely can drop to -15 °C (5 °F) or can rise to as high as 42 °C (108 °F).The average annual precipitation amounts to about 950 mm (37.4 inches) and receives 101 rainy days on the 1 mm (0.04 inches) threshold annually.Bertram enjoys an average of 3145 hours of sunshine throughout the year, and daylight varies from 10 hours 10 minutes to 14 hours 5 minutes per day.

Monthly average temperatures in Bertram, Texas, United States §

The warmest months in Bertram are June, July and August, with daily mean temperatures ranging from 27 to 29 °C (82 - 85 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 10 to 12 °C (50 - 54 °F) throughout the day. On average each year, Bertram experiences 189 days above 25 °C (77.0 °F) and 15 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bertram, Texas, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 26°C
(80°F)		 30°C
(87°F)		 33°C
(92°F)		 35°C
(96°F)		 37°C
(98°F)		 38°C
(100°F)		 42°C
(108°F)		 40°C
(105°F)		 38°C
(101°F)		 37°C
(98°F)		 31°C
(87°F)		 28°C
(83°F)
Mean maximum 24°C
(76°F)		 28°C
(82°F)		 30°C
(87°F)		 33°C
(93°F)		 35°C
(95°F)		 37°C
(98°F)		 39°C
(103°F)		 38°C
(101°F)		 37°C
(99°F)		 34°C
(93°F)		 29°C
(84°F)		 27°C
(81°F)
Average high 16°C
(61°F)		 17°C
(63°F)		 23°C
(73°F)		 26°C
(79°F)		 29°C
(85°F)		 33°C
(92°F)		 35°C
(96°F)		 35°C
(96°F)		 32°C
(89°F)		 27°C
(81°F)		 21°C
(70°F)		 18°C
(65°F)
Daily mean 10°C
(50°F)		 11°C
(52°F)		 17°C
(63°F)		 20°C
(68°F)		 24°C
(76°F)		 27°C
(82°F)		 29°C
(85°F)		 29°C
(85°F)		 26°C
(79°F)		 21°C
(70°F)		 15°C
(59°F)		 12°C
(54°F)
Average low 5°C
(41°F)		 6°C
(43°F)		 11°C
(53°F)		 14°C
(57°F)		 19°C
(66°F)		 23°C
(73°F)		 24°C
(75°F)		 24°C
(75°F)		 21°C
(70°F)		 15°C
(60°F)		 9°C
(49°F)		 6°C
(44°F)
Mean minimum -5°C
(23°F)		 -5°C
(24°F)		 1°C
(34°F)		 5°C
(42°F)		 12°C
(54°F)		 20°C
(68°F)		 21°C
(70°F)		 21°C
(70°F)		 15°C
(59°F)		 4°C
(40°F)		 0°C
(32°F)		 -2°C
(29°F)
Minimum -10°C
(15°F)		 -15°C
(5°F)		 -5°C
(24°F)		 4°C
(39°F)		 9°C
(48°F)		 16°C
(62°F)		 17°C
(63°F)		 20°C
(68°F)		 10°C
(50°F)		 2°C
(36°F)		 -5°C
(24°F)		 -3°C
(27°F)

Compare climate in Bertram with other places

Compare temperature, precipitation, sunshine, UV index in Bertram, Texas, United States with other places around the world.

Monthly average precipitation in Bertram, Texas, United States §

Bertram usually has the most precipitation in May, September and October, with an average of 10 rainy days and 122 mm (4.8 inches) of precipitation per month.The driest months in Bertram are January, November and December. On average, 47 mm (1.8 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bertram, Texas, United States.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 49 (1.9) 63 (2.5) 73 (2.9) 80 (3.1) 167 (6.6) 75 (2.9) 63 (2.5) 92 (3.6) 93 (3.7) 105 (4.1) 37 (1.5) 54 (2.1)
Average precipitation days (≥ 1 mm) 5 10 9 9 13 9 8 8 9 9 5 7

Monthly sunshine hours in Bertram, Texas, United States §

The sunniest months in Bertram are June, July and August, when the sun shines an average of 11 hours 3 minutes a day.Least sunny months in Bertram: January, February and December receive an average of 6 hours 18 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bertram, Texas, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 175 171 234 258 281 335 352 328 277 272 231 226
Mean daily daylight hours 10h 23m 11h 6m 12h 0m 12h 56m 13h 42m 14h 5m 13h 53m 13h 11m 12h 18m 11h 22m 10h 34m 10h 10m

Solar UV radiation in Bertram, Texas, United States §

Bertram experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 11 - 12, which corresponds to the Extreme category of sun exposure.January, November and December are in the Moderate / High exposure category. In these months, the maximum values of the UV index do not exceed 6. For more detailed information, check out our hourly Bertram UV Index data.

Average daily maximum UV levels by month for Bertram, Texas, United States.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 5 7 9 11 11 12 12 11 11 8 6 4