nomadseason

Monthly climate in Grannis, Arkansas, United States

Last updated: March 2, 2024

Under the Köppen–Geiger climate classification Grannis features a humid subtropical climate (Cfa). Temperatures typically range between 6 °C (43 °F) and 27 °C (81 °F) through the year, but rarely can drop to -19 °C (-2 °F) or can rise to as high as 39 °C (102 °F). The average annual precipitation amounts to about 1554 mm (61.2 inches) and receives 133 rainy days on the 1 mm (0.04 inches) threshold annually. Grannis enjoys an average of 3030 hours of sunshine throughout the year, and daylight varies from 9 hours 53 minutes to 14 hours 23 minutes per day.

Monthly average temperatures in Grannis, Arkansas, United States §

The warmest months in Grannis are June, July and August, with daily mean temperatures ranging from 26 to 27 °C (78 - 81 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 6 to 9 °C (43 - 48 °F) throughout the day. On average each year, Grannis experiences 140 days above 25 °C (77.0 °F) and 32 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Grannis, Arkansas, 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 23°C
(74°F)		 27°C
(81°F)		 30°C
(86°F)		 31°C
(89°F)		 35°C
(95°F)		 37°C
(98°F)		 39°C
(102°F)		 37°C
(99°F)		 37°C
(100°F)		 33°C
(92°F)		 28°C
(83°F)		 25°C
(77°F)
Mean maximum 21°C
(70°F)		 24°C
(75°F)		 27°C
(80°F)		 28°C
(84°F)		 31°C
(88°F)		 34°C
(94°F)		 36°C
(97°F)		 36°C
(97°F)		 35°C
(95°F)		 32°C
(89°F)		 25°C
(77°F)		 22°C
(72°F)
Average high 11°C
(53°F)		 13°C
(55°F)		 19°C
(66°F)		 22°C
(71°F)		 27°C
(80°F)		 31°C
(88°F)		 33°C
(91°F)		 32°C
(90°F)		 30°C
(87°F)		 24°C
(75°F)		 17°C
(63°F)		 14°C
(57°F)
Daily mean 6°C
(43°F)		 8°C
(46°F)		 13°C
(56°F)		 16°C
(61°F)		 21°C
(71°F)		 26°C
(78°F)		 27°C
(81°F)		 27°C
(80°F)		 24°C
(76°F)		 18°C
(64°F)		 11°C
(52°F)		 9°C
(48°F)
Average low 2°C
(35°F)		 3°C
(37°F)		 8°C
(47°F)		 11°C
(51°F)		 16°C
(62°F)		 21°C
(70°F)		 22°C
(73°F)		 22°C
(72°F)		 19°C
(67°F)		 13°C
(55°F)		 6°C
(42°F)		 4°C
(40°F)
Mean minimum -8°C
(19°F)		 -7°C
(20°F)		 -2°C
(29°F)		 1°C
(35°F)		 10°C
(50°F)		 16°C
(62°F)		 19°C
(67°F)		 19°C
(66°F)		 12°C
(55°F)		 3°C
(37°F)		 -2°C
(28°F)		 -4°C
(25°F)
Minimum -14°C
(6°F)		 -19°C
(-2°F)		 -8°C
(18°F)		 -0°C
(31°F)		 7°C
(44°F)		 13°C
(56°F)		 17°C
(62°F)		 18°C
(64°F)		 9°C
(48°F)		 -1°C
(30°F)		 -7°C
(21°F)		 -5°C
(22°F)

Compare climate in Grannis with other places

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

Monthly average precipitation in Grannis, Arkansas, United States §

Grannis usually has the most precipitation in March, April and May, with an average of 12 rainy days and 183 mm (7.2 inches) of precipitation per month. The driest months in Grannis are July, September and November. On average, 85 mm (3.4 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Grannis, Arkansas, 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) 107 (4.2) 159 (6.3) 161 (6.4) 194 (7.6) 195 (7.7) 105 (4.1) 102 (4.0) 108 (4.3) 71 (2.8) 131 (5.1) 83 (3.3) 137 (5.4)
Average precipitation days (≥ 1 mm) 10 14 14 11 13 11 12 11 8 10 10 9

Monthly sunshine hours in Grannis, Arkansas, United States §

The sunniest months in Grannis are June, July and August, when the sun shines an average of 10 hours 46 minutes a day. Least sunny months in Grannis: January, February and December receive an average of 5 hours 44 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Grannis, Arkansas, 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 156 157 215 246 289 327 345 318 287 253 222 209
Mean daily daylight hours 10h 8m 10h 57m 11h 59m 13h 3m 13h 57m 14h 23m 14h 9m 13h 21m 12h 20m 11h 16m 10h 21m 9h 53m

Solar UV radiation in Grannis, Arkansas, United States §

Grannis experiences the highest level of ultraviolet (UV) radiation in May, June and July, when the maximum UV index can reach values of 11 - 11, which corresponds to the 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 Grannis UV Index data.

Average daily maximum UV levels by month for Grannis, Arkansas, 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) 4 6 8 10 11 11 11 10 10 8 5 4

Detailed Monthly Weather Insights for Grannis, Arkansas, United States

Discover in-depth weather details for every month in Grannis. 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 Grannis'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.