Catalina Foothills Climate by Month
Catalina Foothills, Arizona, United States
Very hot summers and cool winters, with little rain.
Very hot summers and cool winters, with little rain: that's Catalina Foothills's climate in short. Expect highs of 101°F (38°C) in June and 66°F (19°C) in December, with the coldest nights (January) near 40°F (5°C). It gets only 11 in (271 mm) of rain a year. April to June are almost completely dry. The air is dry, averaging 31% relative humidity.
- Warmest month
- 101°F(38°C)
- Average high, June
- Coldest nights
- 40°F(5°C)
- Average low, January
- Rain per year
- 11 in(271 mm)
- No clear rainy season
- Humidity
- 31%
- Sunniest: June
Best and worst months in Catalina Foothills
Best for weatherMarch and November are the best time for weather in Catalina Foothills: highs near 75°F (24°C) and about 0.6 in (16 mm) of rain a month.
Least pleasantJuly and August are the least pleasant; July is the hottest, with highs of 100°F (38°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in November.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Catalina Foothills weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 67°F(19°C) | 40°F(5°C) | 1.0 in(25 mm) | 36% | 3.4 |
| FebFebruary | 69°F(21°C) | 43°F(6°C) | 0.9 in(23 mm) | 39% | 4.0 |
| MarMarchBest | 76°F(24°C) | 47°F(9°C) | 0.6 in(16 mm) | 32% | 5.6 |
| AprApril | 83°F(28°C) | 53°F(12°C) | 0.2 in(6 mm) | 21% | 6.9 |
| MayMay | 92°F(33°C) | 62°F(16°C) | 0.1 in(3 mm) | 19% | 7.7 |
| JunJune | 101°F(38°C) | 71°F(22°C) | 0.3 in(8 mm) | 19% | 7.9 |
| JulJuly | 100°F(38°C) | 76°F(24°C) | 2.0 in(51 mm) | 33% | 6.8 |
| AugAugust | 98°F(37°C) | 75°F(24°C) | 1.8 in(45 mm) | 37% | 6.3 |
| SepSeptember | 95°F(35°C) | 70°F(21°C) | 1.4 in(35 mm) | 34% | 5.7 |
| OctOctober | 87°F(30°C) | 59°F(15°C) | 0.7 in(19 mm) | 29% | 4.9 |
| NovNovemberBest | 75°F(24°C) | 47°F(8°C) | 0.6 in(15 mm) | 33% | 3.7 |
| DecDecember | 66°F(19°C) | 40°F(5°C) | 1.0 in(25 mm) | 36% | 3.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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