Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Nortonville features a humid subtropical climate (Cfa). Temperatures typically range between 3 °C (38 °F) and 27 °C (81 °F) through the year, but rarely can drop to -18 °C (0 °F) or can rise to as high as 37 °C (99 °F). The average annual precipitation amounts to about 1354 mm (53.3 inches) and receives 133 rainy days on the 1 mm (0.04 inches) threshold annually. Nortonville enjoys an average of 2976 hours of sunshine throughout the year, and daylight varies from 9 hours 37 minutes to 14 hours 40 minutes per day.
The warmest months in Nortonville are June, July and August, with daily mean temperatures ranging from 25 to 27 °C (77 - 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 (38 - 43 °F) throughout the day. On average each year, Nortonville experiences 134 days above 25 °C (77.0 °F) and 56 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 21°C (70°F) |
26°C (79°F) |
27°C (81°F) |
30°C (86°F) |
35°C (95°F) |
36°C (96°F) |
37°C (99°F) |
37°C (98°F) |
37°C (99°F) |
37°C (98°F) |
28°C (82°F) |
23°C (74°F) |
| Mean maximum | 19°C (66°F) |
22°C (72°F) |
24°C (76°F) |
29°C (84°F) |
33°C (92°F) |
35°C (95°F) |
36°C (96°F) |
35°C (96°F) |
34°C (93°F) |
32°C (90°F) |
23°C (73°F) |
21°C (69°F) |
| Average high | 7°C (45°F) |
10°C (51°F) |
15°C (60°F) |
20°C (68°F) |
26°C (79°F) |
30°C (86°F) |
32°C (90°F) |
31°C (88°F) |
29°C (84°F) |
23°C (73°F) |
14°C (57°F) |
11°C (52°F) |
| Daily mean | 3°C (38°F) |
5°C (42°F) |
10°C (51°F) |
14°C (58°F) |
21°C (70°F) |
25°C (77°F) |
27°C (81°F) |
25°C (78°F) |
23°C (74°F) |
17°C (62°F) |
8°C (47°F) |
6°C (43°F) |
| Average low | -1°C (31°F) |
1°C (33°F) |
5°C (41°F) |
9°C (48°F) |
16°C (61°F) |
20°C (69°F) |
22°C (73°F) |
21°C (70°F) |
18°C (64°F) |
11°C (53°F) |
3°C (38°F) |
2°C (35°F) |
| Mean minimum | -12°C (10°F) |
-11°C (13°F) |
-6°C (22°F) |
-1°C (31°F) |
6°C (44°F) |
15°C (59°F) |
18°C (64°F) |
15°C (59°F) |
10°C (50°F) |
3°C (37°F) |
-6°C (21°F) |
-7°C (19°F) |
| Minimum | -18°C (-0°F) |
-16°C (3°F) |
-11°C (13°F) |
-3°C (28°F) |
3°C (37°F) |
11°C (53°F) |
16°C (62°F) |
14°C (57°F) |
9°C (48°F) |
-0°C (32°F) |
-11°C (12°F) |
-13°C (9°F) |
Compare temperature, precipitation, sunshine, UV index in Nortonville, Kentucky, United States with other places around the world.
Nortonville usually has the most precipitation in February, April and June, with an average of 12 rainy days and 139 mm (5.5 inches) of precipitation per month. The driest months in Nortonville are January, September and November. On average, 91 mm (3.6 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 92 (3.6) | 146 (5.8) | 122 (4.8) | 145 (5.7) | 118 (4.7) | 125 (4.9) | 107 (4.2) | 103 (4.1) | 95 (3.7) | 108 (4.3) | 86 (3.4) | 107 (4.2) |
| Average precipitation days (≥ 1 mm) | 9 | 13 | 14 | 12 | 14 | 12 | 11 | 12 | 7 | 10 | 9 | 10 |
The sunniest months in Nortonville are June, July and August, when the sun shines an average of 10 hours 48 minutes a day. Least sunny months in Nortonville: January, February and December receive an average of 5 hours 16 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 133 | 161 | 209 | 252 | 289 | 330 | 346 | 317 | 286 | 247 | 214 | 185 |
| Mean daily daylight hours | 9h 54m | 10h 49m | 11h 59m | 13h 10m | 14h 10m | 14h 40m | 14h 24m | 13h 30m | 12h 22m | 11h 10m | 10h 8m | 9h 37m |
Nortonville experiences the highest level of ultraviolet (UV) radiation in April, 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 5. For more detailed information, check out our hourly Nortonville 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 | 10 | 10 | 9 | 7 | 5 | 3 |
Discover in-depth weather details for every month in Nortonville. 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 Nortonville'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.