Last updated: March 2, 2024
Under the Köppen–Geiger climate classification La Porte City features a humid continental climate (Dfa). Temperatures typically range between -6 °C (21 °F) and 24 °C (75 °F) through the year, but rarely can drop to -33 °C (-28 °F) or can rise to as high as 35 °C (95 °F). The average annual precipitation amounts to about 1087 mm (42.8 inches) and receives 107 rainy days on the 1 mm (0.04 inches) threshold annually. La Porte City enjoys an average of 2989 hours of sunshine throughout the year, and daylight varies from 9 hours 8 minutes to 15 hours 11 minutes per day.
The warmest months in La Porte City are June, July and August, with daily mean temperatures ranging from 22 to 24 °C (72 - 75 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from -6 to -1 °C (21 - 30 °F) throughout the day. On average each year, La Porte City experiences 87 days above 25 °C (77.0 °F) and 127 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 12°C (54°F) |
21°C (71°F) |
22°C (73°F) |
28°C (84°F) |
34°C (94°F) |
35°C (95°F) |
34°C (93°F) |
34°C (93°F) |
33°C (92°F) |
31°C (88°F) |
24°C (75°F) |
22°C (73°F) |
| Mean maximum | 9°C (49°F) |
13°C (56°F) |
19°C (67°F) |
26°C (79°F) |
32°C (90°F) |
33°C (92°F) |
33°C (91°F) |
31°C (89°F) |
32°C (89°F) |
29°C (85°F) |
18°C (65°F) |
16°C (61°F) |
| Average high | -2°C (28°F) |
-1°C (30°F) |
8°C (46°F) |
14°C (58°F) |
21°C (71°F) |
28°C (82°F) |
29°C (84°F) |
27°C (81°F) |
25°C (77°F) |
16°C (61°F) |
8°C (46°F) |
3°C (38°F) |
| Daily mean | -6°C (21°F) |
-6°C (22°F) |
3°C (37°F) |
9°C (48°F) |
16°C (61°F) |
23°C (73°F) |
24°C (75°F) |
22°C (72°F) |
19°C (67°F) |
11°C (52°F) |
3°C (37°F) |
-1°C (30°F) |
| Average low | -10°C (13°F) |
-10°C (13°F) |
-2°C (29°F) |
3°C (38°F) |
11°C (52°F) |
17°C (63°F) |
19°C (66°F) |
17°C (62°F) |
14°C (57°F) |
6°C (43°F) |
-2°C (28°F) |
-6°C (22°F) |
| Mean minimum | -25°C (-12°F) |
-25°C (-12°F) |
-15°C (6°F) |
-6°C (21°F) |
3°C (38°F) |
11°C (53°F) |
14°C (57°F) |
11°C (52°F) |
6°C (44°F) |
-4°C (25°F) |
-11°C (12°F) |
-16°C (3°F) |
| Minimum | -32°C (-26°F) |
-33°C (-28°F) |
-23°C (-9°F) |
-11°C (13°F) |
-1°C (30°F) |
9°C (48°F) |
12°C (53°F) |
10°C (51°F) |
3°C (37°F) |
-6°C (22°F) |
-17°C (2°F) |
-22°C (-8°F) |
Compare temperature, precipitation, sunshine, UV index in La Porte City, Iowa, United States with other places around the world.
La Porte City usually has the most precipitation in May, June and October, with an average of 12 rainy days and 152 mm (6.0 inches) of precipitation per month. The driest months in La Porte City are January, November and December. On average, 42 mm (1.7 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 44 (1.7) | 51 (2.0) | 71 (2.8) | 81 (3.2) | 168 (6.6) | 145 (5.7) | 107 (4.2) | 74 (2.9) | 119 (4.7) | 144 (5.7) | 46 (1.8) | 37 (1.4) |
| Average precipitation days (≥ 1 mm) | 7 | 9 | 8 | 10 | 15 | 10 | 9 | 8 | 9 | 11 | 6 | 5 |
The sunniest months in La Porte City are June, July and August, when the sun shines an average of 11 hours 17 minutes a day. Least sunny months in La Porte City: January, February and December receive an average of 5 hours 45 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 135 | 190 | 228 | 246 | 259 | 341 | 368 | 329 | 271 | 218 | 203 | 198 |
| Mean daily daylight hours | 9h 29m | 10h 34m | 11h 58m | 13h 23m | 14h 35m | 15h 11m | 14h 51m | 13h 47m | 12h 25m | 11h 0m | 9h 46m | 9h 8m |
La Porte City experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 9 - 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 3. For more detailed information, check out our hourly La Porte City UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 3 | 5 | 6 | 8 | 9 | 11 | 10 | 9 | 8 | 5 | 3 | 3 |
Discover in-depth weather details for every month in La Porte City. 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 La Porte City'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.