Last updated: March 2, 2024
Under the Köppen–Geiger climate classification New Harmony features a humid subtropical climate (Cfa). Temperatures typically range between 1 °C (35 °F) and 27 °C (80 °F) through the year, but rarely can drop to -18 °C (0 °F) or can rise to as high as 36 °C (98 °F). The average annual precipitation amounts to about 1234 mm (48.6 inches) and receives 121 rainy days on the 1 mm (0.04 inches) threshold annually. New Harmony enjoys an average of 2986 hours of sunshine throughout the year, and daylight varies from 9 hours 32 minutes to 14 hours 45 minutes per day.
The warmest months in New Harmony 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 1 to 5 °C (35 - 41 °F) throughout the day. On average each year, New Harmony experiences 124 days above 25 °C (77.0 °F) and 67 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 21°C (69°F) |
24°C (75°F) |
25°C (77°F) |
30°C (86°F) |
33°C (92°F) |
36°C (97°F) |
36°C (98°F) |
35°C (96°F) |
34°C (93°F) |
35°C (95°F) |
26°C (80°F) |
22°C (71°F) |
| Mean maximum | 17°C (63°F) |
20°C (68°F) |
23°C (74°F) |
28°C (83°F) |
32°C (90°F) |
34°C (93°F) |
35°C (95°F) |
34°C (93°F) |
33°C (91°F) |
31°C (89°F) |
22°C (72°F) |
19°C (67°F) |
| Average high | 5°C (42°F) |
8°C (47°F) |
14°C (57°F) |
19°C (66°F) |
25°C (77°F) |
30°C (86°F) |
31°C (88°F) |
30°C (86°F) |
28°C (83°F) |
21°C (71°F) |
12°C (54°F) |
9°C (49°F) |
| Daily mean | 1°C (35°F) |
3°C (38°F) |
9°C (48°F) |
13°C (57°F) |
20°C (69°F) |
25°C (77°F) |
27°C (80°F) |
25°C (77°F) |
23°C (73°F) |
16°C (61°F) |
7°C (45°F) |
5°C (41°F) |
| Average low | -3°C (28°F) |
-1°C (30°F) |
4°C (39°F) |
8°C (47°F) |
15°C (60°F) |
20°C (68°F) |
22°C (72°F) |
20°C (69°F) |
17°C (63°F) |
11°C (52°F) |
2°C (36°F) |
0°C (33°F) |
| Mean minimum | -14°C (7°F) |
-14°C (7°F) |
-7°C (19°F) |
-1°C (30°F) |
5°C (42°F) |
15°C (59°F) |
17°C (62°F) |
14°C (58°F) |
9°C (48°F) |
1°C (35°F) |
-7°C (20°F) |
-9°C (15°F) |
| Minimum | -18°C (0°F) |
-17°C (1°F) |
-13°C (9°F) |
-4°C (25°F) |
2°C (37°F) |
11°C (52°F) |
16°C (60°F) |
13°C (55°F) |
8°C (46°F) |
-2°C (28°F) |
-12°C (11°F) |
-16°C (4°F) |
Compare temperature, precipitation, sunshine, UV index in New Harmony, Indiana, United States with other places around the world.
New Harmony usually has the most precipitation in March, April and May, with an average of 12 rainy days and 129 mm (5.1 inches) of precipitation per month. The driest months in New Harmony are July, August and September. On average, 77 mm (3.0 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 95 (3.7) | 111 (4.4) | 140 (5.5) | 117 (4.6) | 131 (5.1) | 116 (4.6) | 76 (3.0) | 83 (3.3) | 71 (2.8) | 104 (4.1) | 94 (3.7) | 95 (3.7) |
| Average precipitation days (≥ 1 mm) | 8 | 11 | 12 | 11 | 15 | 10 | 9 | 10 | 7 | 10 | 9 | 9 |
The sunniest months in New Harmony are June, July and August, when the sun shines an average of 10 hours 59 minutes a day. Least sunny months in New Harmony: January, February and December receive an average of 5 hours 15 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 124 | 167 | 210 | 253 | 285 | 331 | 357 | 323 | 293 | 244 | 209 | 187 |
| Mean daily daylight hours | 9h 50m | 10h 47m | 11h 58m | 13h 12m | 14h 14m | 14h 45m | 14h 28m | 13h 33m | 12h 22m | 11h 9m | 10h 5m | 9h 32m |
New Harmony experiences the highest level of ultraviolet (UV) radiation in May, 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 4. For more detailed information, check out our hourly New Harmony 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 | 10 | 9 | 9 | 7 | 4 | 3 |
Discover in-depth weather details for every month in New Harmony. 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 New Harmony'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.