Monthly climate in Walnut Grove, Missouri, United States

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Walnut Grove features a humid subtropical climate (Cfa).Temperatures typically range between 2 °C (35 °F) and 27 °C (80 °F) through the year, but rarely can drop to -25 °C (-12 °F) or can rise to as high as 37 °C (99 °F).The average annual precipitation amounts to about 1178 mm (46.4 inches) and receives 117 rainy days on the 1 mm (0.04 inches) threshold annually.Walnut Grove enjoys an average of 3007 hours of sunshine throughout the year, and daylight varies from 9 hours 35 minutes to 14 hours 42 minutes per day.

Monthly average temperatures in Walnut Grove, Missouri, United States §

The warmest months in Walnut Grove 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 2 to 5 °C (35 - 42 °F) throughout the day. On average each year, Walnut Grove experiences 122 days above 25 °C (77.0 °F) and 67 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Walnut Grove, 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 21°C
(70°F)
27°C
(81°F)
29°C
(85°F)
31°C
(89°F)
34°C
(93°F)
37°C
(99°F)
37°C
(99°F)
36°C
(98°F)
35°C
(95°F)
32°C
(89°F)
26°C
(79°F)
24°C
(76°F)
Mean maximum 18°C
(64°F)
23°C
(73°F)
26°C
(78°F)
29°C
(85°F)
31°C
(88°F)
34°C
(93°F)
36°C
(98°F)
35°C
(95°F)
34°C
(93°F)
31°C
(89°F)
23°C
(74°F)
21°C
(70°F)
Average high 7°C
(44°F)
9°C
(48°F)
15°C
(60°F)
19°C
(66°F)
24°C
(76°F)
30°C
(86°F)
32°C
(89°F)
30°C
(86°F)
29°C
(84°F)
21°C
(70°F)
14°C
(57°F)
10°C
(51°F)
Daily mean 2°C
(35°F)
3°C
(38°F)
9°C
(49°F)
13°C
(56°F)
19°C
(67°F)
25°C
(77°F)
27°C
(80°F)
25°C
(77°F)
23°C
(73°F)
15°C
(59°F)
8°C
(47°F)
5°C
(42°F)
Average low -3°C
(28°F)
-2°C
(29°F)
5°C
(40°F)
8°C
(46°F)
15°C
(58°F)
20°C
(68°F)
22°C
(72°F)
20°C
(69°F)
18°C
(64°F)
10°C
(50°F)
3°C
(38°F)
1°C
(33°F)
Mean minimum -13°C
(9°F)
-14°C
(7°F)
-7°C
(20°F)
-1°C
(30°F)
7°C
(44°F)
15°C
(59°F)
18°C
(64°F)
16°C
(61°F)
9°C
(49°F)
1°C
(34°F)
-6°C
(21°F)
-8°C
(17°F)
Minimum -19°C
(-2°F)
-25°C
(-12°F)
-15°C
(5°F)
-5°C
(24°F)
4°C
(39°F)
12°C
(54°F)
16°C
(62°F)
14°C
(58°F)
8°C
(46°F)
-3°C
(28°F)
-12°C
(10°F)
-13°C
(9°F)

Compare climate in Walnut Grove with other places

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

Monthly average precipitation in Walnut Grove, Missouri, United States §

Walnut Grove usually has the most precipitation in March, April and May, with an average of 12 rainy days and 148 mm (5.8 inches) of precipitation per month.The driest months in Walnut Grove are September, November and December. On average, 55 mm (2.2 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Walnut Grove, 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) 75 (3.0) 70 (2.8) 133 (5.3) 137 (5.4) 175 (6.9) 79 (3.1) 95 (3.7) 121 (4.8) 58 (2.3) 126 (5.0) 62 (2.5) 45 (1.8)
Average precipitation days (≥ 1 mm) 7 10 12 12 14 9 10 12 6 11 8 6

Monthly sunshine hours in Walnut Grove, Missouri, United States §

The sunniest months in Walnut Grove are June, July and August, when the sun shines an average of 10 hours 50 minutes a day.Least sunny months in Walnut Grove: January, February and December receive an average of 5 hours 48 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Walnut Grove, 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 142 177 212 245 279 335 347 314 286 239 219 207
Mean daily daylight hours 9h 53m 10h 48m 11h 59m 13h 11m 14h 12m 14h 42m 14h 25m 13h 31m 12h 22m 11h 10m 10h 7m 9h 35m

Solar UV radiation in Walnut Grove, Missouri, United States §

Walnut Grove 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 Walnut Grove UV Index data.

Average daily maximum UV levels by month for Walnut Grove, 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