Tempe, United States experiences average highs of 31°C (88°F) and lows of 16°C (61°F) throughout the year. The climate is relatively dry, with only 3 rainy days per month on average. Sunshine is abundant, averaging about 11 hours per day. Average highs have stayed broadly stable across the available records.
Tempe, United States Weather & Climate 2026
Monthly climate averages for Tempe, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Feb–Nov 
Wetter season: Jan–Dec At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
7.2/10
Best: April, May, October, November
UV Index
7
High
Temperature 31°C / 16°C
Feels Like 29°C / 14°C
Rainy Days 3
Rainfall 20 mm
Sunshine 11 h
Humidity 35%
Wind Speed 15 km/h
Dew Point 6°C
Frost Days 2 days
Hottest Month
42°C
July
Avg Low29°C
Rain4days
Coldest Month
5°C
January
Avg High19°C
Rain4days
Driest Month
1days
April
Avg High31°C
Avg Low14°C
Windiest Month
17 km/h
July (Gusts 33)
Worst Time to Visit
Consider avoiding July, August due to extreme heat.
Sun Position
Sunrise 05:19
Daylight 14.4h
Sunset 19:40
Live conditions—
Tempe on the map · live conditions
Tempe, United States
- Continent
- Americas
- Country
- United States
- City
- Tempe
- Population
- 175.8K
- Elevation
- 360 m
- Coordinates
- 33.41°, -111.91°
Seasonal Breakdown
Spring
Mar–May
Avg High 31°C
Avg Low 14°C
Rain 2 days/mo
2/3 best months
Summer
Jun–Aug
Avg High 41°C
Avg Low 27°C
Rain 3 days/mo
Autumn
Sep–Nov
Avg High 32°C
Avg Low 17°C
Rain 3 days/mo
2/3 best months
Winter
Dec–Feb
Avg High 20°C
Avg Low 6°C
Rain 4 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: 19°C / 5°C . Feb: 22°C / 6°C . Mar: 25°C / 10°C . Apr: 31°C / 14°C . May: 35°C / 19°C . Jun: 41°C / 25°C . Jul: 42°C / 29°C . Aug: 41°C / 28°C . Sep: 38°C / 24°C . Oct: 32°C / 17°C . Nov: 25°C / 10°C . Dec: 20°C / 6°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 28 mm. Feb: 30 mm. Mar: 28 mm. Apr: 5 mm. May: 3 mm. Jun: 5 mm. Jul: 26 mm. Aug: 31 mm. Sep: 25 mm. Oct: 19 mm. Nov: 20 mm. Dec: 25 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 55%. Feb: 46%. Mar: 39%. Apr: 22%. May: 19%. Jun: 17%. Jul: 30%. Aug: 35%. Sep: 33%. Oct: 33%. Nov: 38%. Dec: 53%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 12 km/h . Feb: 14 km/h . Mar: 16 km/h . Apr: 17 km/h . May: 17 km/h . Jun: 16 km/h . Jul: 17 km/h . Aug: 16 km/h . Sep: 14 km/h . Oct: 13 km/h . Nov: 12 km/h . Dec: 12 km/h .
Sunshine
Sunshine
Sunshine: Jan: 9h. Feb: 9h. Mar: 11h. Apr: 12h. May: 13h. Jun: 13h. Jul: 12h. Aug: 12h. Sep: 11h. Oct: 10h. Nov: 9h. Dec: 8h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 4. Feb: UV 5. Mar: UV 7. Apr: UV 8. May: UV 8. Jun: UV 9. Jul: UV 9. Aug: UV 8. Sep: UV 7. Oct: UV 6. Nov: UV 5. Dec: UV 4.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Aug 2025 · 42°C | Jul · 42°C |
| Coldest month | Jan 2025 · 3°C | Jan · 5°C |
| Wettest month | Nov 2025 · 51 mm | Aug · 31 mm |
| Windiest month | Mar 2025 · 18 km/h | Jul · 17 km/h |
Month-by-Month Weather Table
January
Fair 
February
Good March
Good April best
Excellent May best
Excellent June
Fair July
Poor August
Poor September
Good October best
Excellent November best
Excellent December
Good | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 19°C / 5°C | 16°C / 1°C | 4days (28 mm) Good | 8.5h Good | 55% Moderate | 4 Moderate | Fair | View Details |
| February | 22°C / 6°C | 19°C / 3°C | 3days (30 mm) Excellent | 9.4h Good | 46% Moderate | 5.2 High | Good | View Details |
| March | 25°C / 10°C | 23°C / 7°C | 3days (28 mm) Excellent | 10.5h Excellent | 39% Comfortable | 6.5 High | Good | View Details |
| April best | 31°C / 14°C | 28°C / 11°C | 1days (5 mm) Excellent | 12h Excellent | 22% Comfortable | 7.8 Very High | Excellent | View Details |
| May best | 35°C / 19°C | 32°C / 16°C | 1days (3 mm) Excellent | 12.8h Excellent | 19% Comfortable | 8.4 Very High | Excellent | View Details |
| June | 41°C / 25°C | 39°C / 23°C | 1days (5 mm) Excellent | 12.9h Excellent | 17% Comfortable | 8.6 Very High | Fair | View Details |
| July | 42°C / 29°C | 42°C / 30°C | 4days (26 mm) Good | 12.4h Excellent | 30% Comfortable | 8.7 Very High | Poor | View Details |
| August | 41°C / 28°C | 41°C / 29°C | 5days (31 mm) Good | 12.1h Excellent | 35% Comfortable | 8.2 Very High | Poor | View Details |
| September | 38°C / 24°C | 37°C / 24°C | 4days (25 mm) Good | 11.1h Excellent | 33% Comfortable | 7.4 Very High | Good | View Details |
| October best | 32°C / 17°C | 30°C / 15°C | 2days (19 mm) Excellent | 10.2h Excellent | 33% Comfortable | 5.9 High | Excellent | View Details |
| November best | 25°C / 10°C | 23°C / 7°C | 2days (20 mm) Excellent | 9.2h Good | 38% Comfortable | 4.5 Moderate | Excellent | View Details |
| December | 20°C / 6°C | 17°C / 3°C | 4days (25 mm) Good | 8.2h Good | 53% Moderate | 3.7 Moderate | Good | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Tempe are April, May, October, November, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Tempe, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Tempe is July, with average daytime highs of 42°C (107°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Tempe is January, with average overnight lows of 5°C (40°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Tempe is August, averaging 31mm of precipitation across 5 rainy days. An umbrella or waterproof jacket is essential.
Tempe receives approximately 129 sunshine hours per year. The sunniest month is June with around 13 hours. Based on climate data for Tempe.
The least favorable months to visit Tempe are July, August, primarily due to extreme heat. For the best conditions, consider April, May, October, November instead.
The annual average UV index in Tempe is 7, classified as high. SPF 30+ sunscreen, sunglasses, and seeking shade between 10:00–16:00 are strongly recommended.
Average humidity in Tempe is 35%, classified as dry. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Tempe rarely sees significant snowfall but does experience frost, averaging 2 frost days during the colder months.
Average wind speeds in Tempe are 15 km/h (9 mph). The windiest month is July with peak winds reaching 17 km/h (11 mph) (gusts up to 33 km/h / 21 mph).
Tempe averages 15 clear-sky days per month with overall cloud cover around 30%. The clearest skies occur in October.
The annual average dew point in Tempe is 6°C (43°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Tempe has a Hot Desert climate, classified as BWh under the Köppen system. Arid climates have very low rainfall relative to temperature, with large swings between daytime heat and cool nights.
The 'feels like' temperature in Tempe ranges from 14°C (57°F) to 29°C (84°F) on average. The 'feels like' temperature closely matches the actual temperature throughout most of the year.
June is not the best time to visit Tempe, with a climate score of 5.8/10. Consider visiting during April, May, October, November instead for better conditions.
For June in Tempe, pack Breathable clothing, Sunscreen (SPF 30+), Sun hat, Sunglasses, Sandals. With average highs of 41°C (106°F) and 1 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
Last updated: