Monthly climate in Palmyra, Missouri, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Palmyra features a humid continental climate (Dfa). Temperatures typically range between -2 °C (29 °F) and 26 °C (79 °F) through the year, but rarely can drop to -26 °C (-15 °F) or can rise to as high as 36 °C (97 °F). The average annual precipitation amounts to about 1102 mm (43.4 inches) and receives 111 rainy days on the 1 mm (0.04 inches) threshold annually. Palmyra enjoys an average of 2996 hours of sunshine throughout the year, and daylight varies from 9 hours 23 minutes to 14 hours 55 minutes per day.

Monthly average temperatures in Palmyra, Missouri, United States §

The warmest months in Palmyra are June, July and August, with daily mean temperatures ranging from 24 to 26 °C (76 - 79 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 2 °C (29 - 37 °F) throughout the day. On average each year, Palmyra experiences 114 days above 25 °C (77.0 °F) and 89 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Palmyra, 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 17°C
(63°F)
24°C
(76°F)
26°C
(78°F)
29°C
(85°F)
35°C
(95°F)
36°C
(96°F)
36°C
(97°F)
36°C
(96°F)
35°C
(95°F)
33°C
(91°F)
24°C
(76°F)
23°C
(74°F)
Mean maximum 15°C
(59°F)
18°C
(65°F)
22°C
(72°F)
29°C
(84°F)
33°C
(91°F)
34°C
(93°F)
35°C
(95°F)
34°C
(93°F)
33°C
(92°F)
31°C
(88°F)
20°C
(68°F)
19°C
(67°F)
Average high 3°C
(37°F)
5°C
(41°F)
12°C
(54°F)
17°C
(63°F)
24°C
(75°F)
29°C
(85°F)
31°C
(88°F)
29°C
(85°F)
27°C
(81°F)
19°C
(67°F)
11°C
(52°F)
7°C
(46°F)
Daily mean -2°C
(29°F)
-0°C
(32°F)
7°C
(45°F)
12°C
(53°F)
19°C
(66°F)
24°C
(76°F)
26°C
(79°F)
24°C
(76°F)
22°C
(71°F)
14°C
(57°F)
6°C
(43°F)
2°C
(37°F)
Average low -6°C
(22°F)
-5°C
(24°F)
2°C
(37°F)
6°C
(44°F)
14°C
(58°F)
19°C
(67°F)
21°C
(71°F)
19°C
(67°F)
16°C
(62°F)
9°C
(49°F)
1°C
(34°F)
-2°C
(29°F)
Mean minimum -19°C
(-1°F)
-19°C
(-1°F)
-9°C
(16°F)
-2°C
(28°F)
6°C
(42°F)
14°C
(58°F)
16°C
(62°F)
14°C
(57°F)
8°C
(47°F)
-1°C
(30°F)
-9°C
(17°F)
-12°C
(11°F)
Minimum -26°C
(-15°F)
-25°C
(-14°F)
-17°C
(2°F)
-8°C
(18°F)
3°C
(38°F)
11°C
(52°F)
15°C
(59°F)
13°C
(55°F)
6°C
(44°F)
-5°C
(24°F)
-14°C
(6°F)
-19°C
(-2°F)

Compare climate in Palmyra with other places

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

Monthly average precipitation in Palmyra, Missouri, United States §

Palmyra usually has the most precipitation in March, May and June, with an average of 11 rainy days and 133 mm (5.3 inches) of precipitation per month. The driest months in Palmyra are February, November and December. On average, 54 mm (2.1 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Palmyra, 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) 64 (2.5) 61 (2.4) 120 (4.7) 102 (4.0) 164 (6.4) 116 (4.6) 89 (3.5) 98 (3.9) 77 (3.0) 108 (4.2) 59 (2.3) 43 (1.7)
Average precipitation days (≥ 1 mm) 7 9 11 10 15 9 8 9 7 11 9 6

Monthly sunshine hours in Palmyra, Missouri, United States §

The sunniest months in Palmyra are June, July and August, when the sun shines an average of 11 hours 2 minutes a day. Least sunny months in Palmyra: January, February and December receive an average of 5 hours 38 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Palmyra, 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 126 180 208 247 281 330 355 330 286 233 209 206
Mean daily daylight hours 9h 42m 10h 42m 11h 58m 13h 17m 14h 23m 14h 55m 14h 37m 13h 38m 12h 23m 11h 5m 9h 57m 9h 23m

Solar UV radiation in Palmyra, Missouri, United States §

Palmyra experiences the highest level of ultraviolet (UV) radiation in May, June and August, 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 4. For more detailed information, check out our hourly Palmyra UV Index data.

Average daily maximum UV levels by month for Palmyra, 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 5 7 9 10 11 10 10 9 6 4 3

Detailed Monthly Weather Insights for Palmyra, Missouri, United States

Discover in-depth weather details for every month in Palmyra. Click through the links below for comprehensive overviews of temperature trends, precipitation levels, sunshine hours, and solar UV radiation specifics. Whether planning a visit or simply curious about Palmyra's climate nuances, these monthly breakdowns provide the information you need for an informed understanding of what to expect throughout the year.

Each link leads to a detailed account of the typical weather conditions for that month, providing both locals and tourists with vital information to plan their daily activities, wardrobe, and travel itineraries accordingly.