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Monthly climate in Seneca, Missouri, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Seneca features a humid subtropical climate (Cfa).Temperatures typically range between 3 °C (37 °F) and 27 °C (80 °F) through the year, but rarely can drop to -24 °C (-12 °F) or can rise to as high as 37 °C (100 °F).The average annual precipitation amounts to about 1267 mm (49.9 inches) and receives 113 rainy days on the 1 mm (0.04 inches) threshold annually.Seneca enjoys an average of 3068 hours of sunshine throughout the year, and daylight varies from 9 hours 41 minutes to 14 hours 36 minutes per day.

Monthly average temperatures in Seneca, Missouri, United States §

The warmest months in Seneca are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (77 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 3 to 6 °C (37 - 43 °F) throughout the day. On average each year, Seneca experiences 125 days above 25 °C (77.0 °F) and 61 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Seneca, Missouri, 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 22°C
(71°F)		 27°C
(82°F)		 30°C
(85°F)		 31°C
(88°F)		 33°C
(92°F)		 36°C
(97°F)		 37°C
(100°F)		 36°C
(97°F)		 35°C
(95°F)		 32°C
(90°F)		 26°C
(80°F)		 24°C
(75°F)
Mean maximum 18°C
(65°F)		 23°C
(73°F)		 26°C
(78°F)		 29°C
(84°F)		 31°C
(88°F)		 34°C
(93°F)		 36°C
(97°F)		 35°C
(95°F)		 34°C
(94°F)		 31°C
(88°F)		 24°C
(75°F)		 21°C
(71°F)
Average high 8°C
(46°F)		 10°C
(50°F)		 16°C
(62°F)		 20°C
(68°F)		 25°C
(76°F)		 30°C
(86°F)		 32°C
(90°F)		 31°C
(87°F)		 29°C
(85°F)		 21°C
(71°F)		 15°C
(59°F)		 11°C
(52°F)
Daily mean 3°C
(37°F)		 4°C
(40°F)		 11°C
(51°F)		 14°C
(57°F)		 20°C
(67°F)		 25°C
(77°F)		 27°C
(80°F)		 25°C
(78°F)		 23°C
(74°F)		 16°C
(60°F)		 9°C
(48°F)		 6°C
(43°F)
Average low -2°C
(29°F)		 -1°C
(31°F)		 5°C
(42°F)		 9°C
(48°F)		 15°C
(59°F)		 20°C
(68°F)		 22°C
(72°F)		 21°C
(70°F)		 18°C
(65°F)		 11°C
(51°F)		 4°C
(39°F)		 1°C
(35°F)
Mean minimum -12°C
(11°F)		 -13°C
(10°F)		 -5°C
(23°F)		 -1°C
(31°F)		 7°C
(44°F)		 15°C
(60°F)		 18°C
(64°F)		 16°C
(62°F)		 10°C
(50°F)		 1°C
(34°F)		 -6°C
(22°F)		 -7°C
(20°F)
Minimum -17°C
(1°F)		 -24°C
(-12°F)		 -14°C
(7°F)		 -5°C
(24°F)		 4°C
(39°F)		 12°C
(54°F)		 15°C
(60°F)		 14°C
(58°F)		 8°C
(46°F)		 -2°C
(28°F)		 -11°C
(12°F)		 -11°C
(13°F)

Compare climate in Seneca with other places

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

Monthly average precipitation in Seneca, Missouri, United States §

Seneca usually has the most precipitation in April, May and October, with an average of 11 rainy days and 158 mm (6.2 inches) of precipitation per month.The driest months in Seneca are September, November and December. On average, 61 mm (2.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Seneca, Missouri, 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) 85 (3.4) 78 (3.1) 146 (5.8) 151 (6.0) 173 (6.8) 93 (3.6) 95 (3.7) 113 (4.5) 69 (2.7) 148 (5.8) 61 (2.4) 53 (2.1)
Average precipitation days (≥ 1 mm) 7 8 12 12 13 8 10 13 6 10 8 6

Monthly sunshine hours in Seneca, Missouri, United States §

The sunniest months in Seneca are June, July and August, when the sun shines an average of 11 hours 0 minutes a day.Least sunny months in Seneca: January, February and March receive an average of 6 hours 0 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Seneca, Missouri, 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 152 178 215 247 287 337 354 320 291 244 219 218
Mean daily daylight hours 9h 57m 10h 51m 11h 59m 13h 9m 14h 7m 14h 36m 14h 20m 13h 28m 12h 21m 11h 12m 10h 11m 9h 41m

Solar UV radiation in Seneca, Missouri, United States §

Seneca experiences the highest level of ultraviolet (UV) radiation in April, June and July, when the maximum UV index can reach values of 10 - 11, which corresponds to the Very High / Extreme category of sun exposure.January, November and December are in the Moderate exposure category. In these months, the maximum values of the UV index do not exceed 5. For more detailed information, check out our hourly Seneca UV Index data.

Average daily maximum UV levels by month for Seneca, Missouri, 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) 3 6 7 10 10 11 11 10 9 7 5 3