Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Riverton features a humid subtropical climate (Cfa). Temperatures typically range between 3 °C (37 °F) and 27 °C (81 °F) through the year, but rarely can drop to -26 °C (-15 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1253 mm (49.3 inches) and receives 109 rainy days on the 1 mm (0.04 inches) threshold annually. Riverton enjoys an average of 3064 hours of sunshine throughout the year, and daylight varies from 9 hours 39 minutes to 14 hours 38 minutes per day.
The warmest months in Riverton are June, July and August, with daily mean temperatures ranging from 25 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 3 to 6 °C (37 - 43 °F) throughout the day. On average each year, Riverton experiences 128 days above 25 °C (77.0 °F) and 64 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 21°C (70°F) |
28°C (82°F) |
29°C (85°F) |
31°C (89°F) |
33°C (93°F) |
36°C (97°F) |
38°C (101°F) |
36°C (97°F) |
35°C (96°F) |
32°C (90°F) |
26°C (79°F) |
24°C (75°F) |
| Mean maximum | 18°C (65°F) |
23°C (74°F) |
26°C (78°F) |
29°C (84°F) |
31°C (89°F) |
34°C (93°F) |
36°C (98°F) |
35°C (96°F) |
34°C (94°F) |
32°C (89°F) |
23°C (74°F) |
21°C (70°F) |
| Average high | 8°C (46°F) |
9°C (49°F) |
16°C (62°F) |
20°C (68°F) |
25°C (77°F) |
31°C (87°F) |
32°C (90°F) |
31°C (88°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 (39°F) |
11°C (51°F) |
14°C (58°F) |
20°C (68°F) |
25°C (78°F) |
27°C (81°F) |
26°C (79°F) |
24°C (75°F) |
16°C (60°F) |
9°C (48°F) |
6°C (43°F) |
| Average low | -2°C (29°F) |
-1°C (30°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 (34°F) |
| Mean minimum | -12°C (11°F) |
-13°C (9°F) |
-6°C (22°F) |
-1°C (31°F) |
7°C (44°F) |
15°C (59°F) |
18°C (64°F) |
16°C (62°F) |
10°C (49°F) |
1°C (34°F) |
-6°C (21°F) |
-8°C (18°F) |
| Minimum | -17°C (1°F) |
-26°C (-15°F) |
-14°C (8°F) |
-5°C (23°F) |
4°C (39°F) |
12°C (54°F) |
16°C (60°F) |
15°C (58°F) |
7°C (44°F) |
-2°C (28°F) |
-11°C (12°F) |
-12°C (12°F) |
Compare temperature, precipitation, sunshine, UV index in Riverton, Kansas, United States with other places around the world.
Riverton usually has the most precipitation in March, May and October, with an average of 12 rainy days and 160 mm (6.3 inches) of precipitation per month. The driest months in Riverton are February, November and December. On average, 58 mm (2.3 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 78 (3.1) | 68 (2.7) | 139 (5.5) | 133 (5.2) | 206 (8.1) | 92 (3.6) | 102 (4.0) | 110 (4.3) | 84 (3.3) | 135 (5.3) | 56 (2.2) | 49 (1.9) |
| Average precipitation days (≥ 1 mm) | 7 | 8 | 11 | 11 | 14 | 8 | 10 | 11 | 6 | 11 | 7 | 5 |
The sunniest months in Riverton are June, July and August, when the sun shines an average of 11 hours 0 minutes a day. Least sunny months in Riverton: January, February and March receive an average of 6 hours 2 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 152 | 180 | 216 | 248 | 281 | 337 | 355 | 319 | 290 | 244 | 218 | 219 |
| Mean daily daylight hours | 9h 56m | 10h 50m | 11h 59m | 13h 9m | 14h 9m | 14h 38m | 14h 22m | 13h 29m | 12h 21m | 11h 11m | 10h 10m | 9h 39m |
Riverton 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 Riverton UV Index data.
| 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 |
Discover in-depth weather details for every month in Riverton. 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 Riverton'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.