Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Harrisburg features a cold semi-arid climate (BSk). Temperatures typically range between -2 °C (30 °F) and 24 °C (75 °F) through the year, but rarely can drop to -29 °C (-19 °F) or can rise to as high as 38 °C (100 °F). The average annual precipitation amounts to about 516 mm (20.3 inches) and receives 87 rainy days on the 1 mm (0.04 inches) threshold annually. Harrisburg enjoys an average of 3387 hours of sunshine throughout the year, and daylight varies from 9 hours 12 minutes to 15 hours 7 minutes per day.
The warmest months in Harrisburg are June, July and August, with daily mean temperatures ranging from 21 to 24 °C (69 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -2 to 1 °C (30 - 35 °F) throughout the day. On average each year, Harrisburg experiences 94 days above 25 °C (77.0 °F) and 119 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 17°C (64°F) |
23°C (74°F) |
26°C (80°F) |
31°C (88°F) |
31°C (88°F) |
38°C (100°F) |
38°C (100°F) |
36°C (98°F) |
37°C (100°F) |
30°C (87°F) |
25°C (77°F) |
24°C (76°F) |
| Mean maximum | 15°C (60°F) |
19°C (67°F) |
23°C (73°F) |
27°C (81°F) |
30°C (86°F) |
32°C (90°F) |
37°C (99°F) |
35°C (95°F) |
36°C (97°F) |
28°C (83°F) |
23°C (74°F) |
20°C (67°F) |
| Average high | 5°C (42°F) |
5°C (41°F) |
11°C (52°F) |
15°C (60°F) |
19°C (67°F) |
27°C (82°F) |
31°C (88°F) |
30°C (86°F) |
26°C (79°F) |
16°C (61°F) |
12°C (54°F) |
7°C (45°F) |
| Daily mean | -0°C (32°F) |
-2°C (30°F) |
5°C (40°F) |
8°C (46°F) |
13°C (55°F) |
21°C (69°F) |
24°C (75°F) |
22°C (73°F) |
19°C (66°F) |
9°C (48°F) |
5°C (42°F) |
1°C (35°F) |
| Average low | -5°C (23°F) |
-7°C (20°F) |
-2°C (29°F) |
1°C (34°F) |
7°C (45°F) |
13°C (57°F) |
17°C (63°F) |
15°C (60°F) |
12°C (54°F) |
3°C (37°F) |
-1°C (31°F) |
-4°C (25°F) |
| Mean minimum | -19°C (-2°F) |
-20°C (-4°F) |
-13°C (8°F) |
-9°C (16°F) |
0°C (33°F) |
7°C (44°F) |
11°C (52°F) |
10°C (50°F) |
3°C (38°F) |
-10°C (14°F) |
-11°C (13°F) |
-14°C (7°F) |
| Minimum | -23°C (-9°F) |
-29°C (-19°F) |
-23°C (-10°F) |
-14°C (8°F) |
-2°C (28°F) |
5°C (41°F) |
8°C (47°F) |
7°C (45°F) |
-1°C (30°F) |
-16°C (4°F) |
-19°C (-2°F) |
-21°C (-6°F) |
Compare temperature, precipitation, sunshine, UV index in Harrisburg, Nebraska, United States with other places around the world.
Harrisburg usually has the most precipitation in March, May and June, with an average of 10 rainy days and 81 mm (3.2 inches) of precipitation per month. The driest months in Harrisburg are January, February and December. On average, 18 mm (0.7 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 14 (0.6) | 23 (0.9) | 67 (2.7) | 53 (2.1) | 117 (4.6) | 57 (2.2) | 46 (1.8) | 35 (1.4) | 24 (1.0) | 36 (1.4) | 25 (1.0) | 18 (0.7) |
| Average precipitation days (≥ 1 mm) | 3 | 7 | 9 | 9 | 14 | 9 | 9 | 8 | 4 | 7 | 5 | 3 |
The sunniest months in Harrisburg are June, July and August, when the sun shines an average of 11 hours 55 minutes a day. Least sunny months in Harrisburg: January, February and December receive an average of 6 hours 55 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 179 | 224 | 267 | 287 | 305 | 365 | 378 | 351 | 296 | 262 | 241 | 225 |
| Mean daily daylight hours | 9h 32m | 10h 37m | 11h 58m | 13h 21m | 14h 32m | 15h 7m | 14h 48m | 13h 45m | 12h 24m | 11h 1m | 9h 49m | 9h 12m |
Harrisburg experiences the highest level of ultraviolet (UV) radiation in June, July 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 Harrisburg UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 3 | 5 | 7 | 9 | 10 | 11 | 11 | 10 | 9 | 6 | 4 | 3 |
Discover in-depth weather details for every month in Harrisburg. 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 Harrisburg'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.