Last updated: March 2, 2024
Under the Köppen–Geiger climate classification Pasadena Hills features a humid subtropical climate (Cfa). Temperatures typically range between 0 °C (32 °F) and 26 °C (80 °F) through the year, but rarely can drop to -22 °C (-7 °F) or can rise to as high as 38 °C (101 °F). The average annual precipitation amounts to about 1185 mm (46.7 inches) and receives 122 rainy days on the 1 mm (0.04 inches) threshold annually. Pasadena Hills enjoys an average of 2974 hours of sunshine throughout the year, and daylight varies from 9 hours 29 minutes to 14 hours 48 minutes per day.
The warmest months in Pasadena Hills are June, July and August, with daily mean temperatures ranging from 25 to 26 °C (76 - 80 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 0 to 4 °C (32 - 39 °F) throughout the day. On average each year, Pasadena Hills experiences 121 days above 25 °C (77.0 °F) and 75 days below 0 °C (32.0 °F).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum | 19°C (67°F) |
24°C (76°F) |
27°C (81°F) |
30°C (87°F) |
34°C (94°F) |
36°C (98°F) |
38°C (101°F) |
35°C (96°F) |
35°C (95°F) |
34°C (93°F) |
25°C (78°F) |
22°C (71°F) |
| Mean maximum | 16°C (62°F) |
20°C (69°F) |
24°C (75°F) |
29°C (84°F) |
32°C (90°F) |
34°C (93°F) |
36°C (97°F) |
34°C (94°F) |
33°C (92°F) |
31°C (89°F) |
22°C (72°F) |
20°C (68°F) |
| Average high | 4°C (40°F) |
7°C (44°F) |
13°C (56°F) |
18°C (65°F) |
24°C (76°F) |
30°C (86°F) |
31°C (88°F) |
29°C (85°F) |
28°C (83°F) |
20°C (69°F) |
12°C (54°F) |
9°C (48°F) |
| Daily mean | 0°C (32°F) |
2°C (35°F) |
8°C (47°F) |
13°C (55°F) |
20°C (68°F) |
25°C (77°F) |
26°C (80°F) |
25°C (76°F) |
22°C (73°F) |
15°C (59°F) |
7°C (44°F) |
4°C (39°F) |
| Average low | -4°C (25°F) |
-3°C (27°F) |
3°C (39°F) |
8°C (46°F) |
15°C (59°F) |
20°C (68°F) |
22°C (72°F) |
20°C (68°F) |
17°C (63°F) |
10°C (50°F) |
2°C (36°F) |
-1°C (31°F) |
| Mean minimum | -16°C (3°F) |
-15°C (5°F) |
-8°C (17°F) |
-1°C (31°F) |
7°C (44°F) |
15°C (60°F) |
17°C (63°F) |
15°C (58°F) |
9°C (49°F) |
0°C (32°F) |
-7°C (19°F) |
-11°C (12°F) |
| Minimum | -22°C (-7°F) |
-19°C (-1°F) |
-17°C (2°F) |
-4°C (24°F) |
4°C (40°F) |
12°C (54°F) |
16°C (61°F) |
12°C (54°F) |
7°C (45°F) |
-4°C (26°F) |
-13°C (9°F) |
-18°C (-0°F) |
Compare temperature, precipitation, sunshine, UV index in Pasadena Hills, Missouri, United States with other places around the world.
Pasadena Hills usually has the most precipitation in March, May and August, with an average of 12 rainy days and 136 mm (5.3 inches) of precipitation per month. The driest months in Pasadena Hills are September, November and December. On average, 63 mm (2.5 inches) of precipitation falls during these months.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average precipitation mm (inches) | 76 (3.0) | 80 (3.2) | 131 (5.2) | 129 (5.1) | 145 (5.7) | 101 (4.0) | 97 (3.8) | 130 (5.1) | 56 (2.2) | 105 (4.1) | 75 (2.9) | 59 (2.3) |
| Average precipitation days (≥ 1 mm) | 8 | 10 | 12 | 11 | 14 | 11 | 11 | 11 | 7 | 11 | 9 | 7 |
The sunniest months in Pasadena Hills are June, July and August, when the sun shines an average of 10 hours 55 minutes a day. Least sunny months in Pasadena Hills: January, February and December receive an average of 5 hours 26 minutes of sunshine daily.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mean monthly sunshine hours | 124 | 173 | 205 | 241 | 287 | 328 | 347 | 329 | 290 | 239 | 211 | 196 |
| Mean daily daylight hours | 9h 47m | 10h 45m | 11h 58m | 13h 14m | 14h 17m | 14h 48m | 14h 31m | 13h 35m | 12h 23m | 11h 8m | 10h 2m | 9h 29m |
Pasadena Hills experiences the highest level of ultraviolet (UV) radiation in May, 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 4. For more detailed information, check out our hourly Pasadena Hills UV Index data.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV Index (month maximum) | 3 | 5 | 6 | 9 | 10 | 11 | 10 | 10 | 9 | 6 | 4 | 3 |
Discover in-depth weather details for every month in Pasadena Hills. 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 Pasadena Hills'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.