Arizona weather in December
In December, Arizona sees average daytime highs of 25°C and overnight lows near 22°C, with 213 mm of rain across 17.8 wet days and about 11.1 hours of daylight. It is the 11th-warmest and 4th-wettest month of the year here.
Day-to-day highs hold fairly steady near 25°C through the month. The sky is clear or mostly clear about 38% of the time in December, and the air most often feels oppressive.
Daylight stretches from about 11 h 06 min at the start of December to 11 h 06 min by month's end. Set against the rest of the year, December is Arizona's 5th-clearest and 8th-windiest month. For the whole year in context, see Arizona's year-round climate.
- Daytime high
- 25°
- 11th warmest
- Overnight low
- 22°
- 3rd coldest
- Rainfall
- 213 mm
- 17.8 wet days
- Daylight
- 11 h 06 min
- 6:13 AM – 5:18 PM
- Cloud cover
- 52%
- 5th clearest
- Wind
- 10 km/h
- 8th windiest
- Solar energy
- 4.07 kWh/m²
- Travel score
- 5.7
- out of 10
Arizona is human settlement in Honduras.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in December
Day-to-day highs hold fairly steady near 25°C through the month.
A typical December day in Arizona reaches about 25°C in the afternoon and slips back to 22°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 27°C. Set against its neighbours, December runs on par with November and on par with January.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 26 | 22 |
| 2 | 26 | 22 |
| 3 | 26 | 22 |
| 4 | 26 | 22 |
| 5 | 26 | 22 |
| 6 | 26 | 22 |
| 7 | 26 | 22 |
| 8 | 26 | 22 |
| 9 | 25 | 22 |
| 10 | 25 | 22 |
| 11 | 25 | 22 |
| 12 | 25 | 22 |
| 13 | 25 | 22 |
| 14 | 25 | 22 |
| 15 | 25 | 22 |
| 16 | 25 | 22 |
| 17 | 25 | 22 |
| 18 | 25 | 22 |
| 19 | 25 | 22 |
| 20 | 25 | 22 |
| 21 | 25 | 22 |
| 22 | 25 | 22 |
| 23 | 25 | 22 |
| 24 | 25 | 22 |
| 25 | 25 | 22 |
| 26 | 25 | 22 |
| 27 | 25 | 22 |
| 28 | 25 | 22 |
| 29 | 25 | 22 |
| 30 | 25 | 22 |
| 31 | 25 | 22 |
How December really feels in Arizona
Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Arizona weather by month
How December compares with the rest of the year at a glance. December is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 25° / 21° | 214 | 16 | 11.2 | 6.2 |
| Feb | 26° / 22° | 113 | 9.9 | 11.5 | 6.9 |
| Mar | 27° / 22° | 93 | 8 | 11.9 | 7.3 |
| Apr | 28° / 24° | 51 | 7.8 | 12.3 | 6.7 |
| May | 29° / 25° | 105 | 16 | 12.7 | 4.9 |
| Jun | 29° / 25° | 144 | 23.4 | 12.9 | 3.7 |
| Jul | 28° / 25° | 130 | 23.6 | 12.8 | 4.0 |
| Aug | 29° / 25° | 138 | 25.7 | 12.5 | 3.7 |
| Sep | 29° / 25° | 194 | 27.2 | 12.1 | 3.4 |
| Oct | 28° / 24° | 319 | 25.4 | 11.6 | 4.0 |
| Nov | 26° / 23° | 376 | 22 | 11.3 | 4.8 |
| Dec | 25° / 22° | 213 | 17.8 | 11.1 | 5.7 |
Cloud cover in December
The sky is clear or mostly clear about 38% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 25% of December, with mostly cloudy or overcast conditions the remaining 37%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 56 | 56 | 57 | 58 | 59 | 60 | 60 | 62 | 62 | 63 | 64 | 64 | 64 | 64 | 64 | 65 | 65 | 64 | 64 | 65 | 65 | 64 | 65 | 65 | 65 | 65 | 64 | 64 | 63 | 63 | 64 |
| Cloudier (%) | 44 | 44 | 43 | 42 | 41 | 40 | 40 | 38 | 38 | 37 | 36 | 36 | 36 | 36 | 36 | 35 | 35 | 36 | 36 | 35 | 35 | 36 | 35 | 35 | 35 | 35 | 36 | 36 | 37 | 37 | 36 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 56 | 44 |
| 2 | 56 | 44 |
| 3 | 57 | 43 |
| 4 | 58 | 42 |
| 5 | 59 | 41 |
| 6 | 60 | 40 |
| 7 | 60 | 40 |
| 8 | 62 | 38 |
| 9 | 62 | 38 |
| 10 | 63 | 37 |
| 11 | 64 | 36 |
| 12 | 64 | 36 |
| 13 | 64 | 36 |
| 14 | 64 | 36 |
| 15 | 64 | 36 |
| 16 | 65 | 35 |
| 17 | 65 | 35 |
| 18 | 64 | 36 |
| 19 | 64 | 36 |
| 20 | 65 | 35 |
| 21 | 65 | 35 |
| 22 | 64 | 36 |
| 23 | 65 | 35 |
| 24 | 65 | 35 |
| 25 | 65 | 35 |
| 26 | 65 | 35 |
| 27 | 64 | 36 |
| 28 | 64 | 36 |
| 29 | 63 | 37 |
| 30 | 63 | 37 |
| 31 | 64 | 36 |
Chance of precipitation in December
Arizona gets around 213 mm of rain over 17.8 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 58% and peaks near 66% on the wettest days. The odds ease toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 66 | 66 | 65 | 65 | 64 | 63 | 62 | 61 | 61 | 60 | 59 | 58 | 57 | 57 | 56 | 56 | 55 | 55 | 55 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 54 | 53 | 53 | 53 | 53 |
| Rain chance (%) | |
|---|---|
| 1 | 66 |
| 2 | 66 |
| 3 | 65 |
| 4 | 65 |
| 5 | 64 |
| 6 | 63 |
| 7 | 62 |
| 8 | 61 |
| 9 | 61 |
| 10 | 60 |
| 11 | 59 |
| 12 | 58 |
| 13 | 57 |
| 14 | 57 |
| 15 | 56 |
| 16 | 56 |
| 17 | 55 |
| 18 | 55 |
| 19 | 55 |
| 20 | 54 |
| 21 | 54 |
| 22 | 54 |
| 23 | 54 |
| 24 | 54 |
| 25 | 54 |
| 26 | 54 |
| 27 | 54 |
| 28 | 53 |
| 29 | 53 |
| 30 | 53 |
| 31 | 53 |
Humidity in December
Most of December feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the oppressive band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 93% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 1 | 1 |
| Humid (%) | 4 | 4 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 |
| Muggy (%) | 35 | 35 | 35 | 35 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 37 | 37 | 37 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 39 | 40 | 40 |
| Oppressive (%) | 60 | 60 | 61 | 60 | 59 | 59 | 59 | 58 | 57 | 57 | 56 | 56 | 56 | 55 | 54 | 54 | 54 | 54 | 53 | 52 | 52 | 52 | 52 | 52 | 52 | 52 | 53 | 53 | 53 | 50 | 50 |
| Miserable (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 4 | 35 | 60 | 1 |
| 2 | 0 | 4 | 35 | 60 | 1 |
| 3 | 0 | 3 | 35 | 61 | 1 |
| 4 | 0 | 4 | 35 | 60 | 1 |
| 5 | 0 | 4 | 36 | 59 | 1 |
| 6 | 0 | 4 | 36 | 59 | 1 |
| 7 | 0 | 4 | 36 | 59 | 1 |
| 8 | 1 | 4 | 36 | 58 | 1 |
| 9 | 1 | 5 | 36 | 57 | 1 |
| 10 | 1 | 5 | 36 | 57 | 1 |
| 11 | 1 | 6 | 36 | 56 | 1 |
| 12 | 1 | 6 | 36 | 56 | 1 |
| 13 | 1 | 6 | 36 | 56 | 1 |
| 14 | 1 | 7 | 36 | 55 | 1 |
| 15 | 1 | 7 | 37 | 54 | 1 |
| 16 | 1 | 7 | 37 | 54 | 1 |
| 17 | 1 | 7 | 37 | 54 | 1 |
| 18 | 1 | 7 | 38 | 54 | 0 |
| 19 | 1 | 8 | 38 | 53 | 0 |
| 20 | 1 | 8 | 39 | 52 | 0 |
| 21 | 1 | 8 | 39 | 52 | 0 |
| 22 | 1 | 8 | 39 | 52 | 0 |
| 23 | 1 | 8 | 39 | 52 | 0 |
| 24 | 1 | 8 | 39 | 52 | 0 |
| 25 | 1 | 8 | 39 | 52 | 0 |
| 26 | 1 | 8 | 39 | 52 | 0 |
| 27 | 0 | 8 | 39 | 53 | 0 |
| 28 | 0 | 8 | 39 | 53 | 0 |
| 29 | 0 | 8 | 39 | 53 | 0 |
| 30 | 1 | 9 | 40 | 50 | 0 |
| 31 | 1 | 9 | 40 | 50 | 0 |
Wind in December
Winds average 10 km/h in December.
Across December, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 10 | calm |
| 15 | 10 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 10 | calm |
| 30 | 10 | calm |
| 31 | 10 | calm |
Sunrise & sunset in December
Daylight runs from about 11 h 06 min at the start of December to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 0 minutes over December. Sunrise moves from 6:05 AM to 6:20 AM, and sunset from 5:13 PM to 5:25 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 | 11.1 |
| Sunrise (AM) | 6:05 | 6:05 | 6:06 | 6:07 | 6:07 | 6:08 | 6:08 | 6:09 | 6:09 | 6:10 | 6:10 | 6:11 | 6:12 | 6:12 | 6:13 | 6:13 | 6:14 | 6:14 | 6:15 | 6:15 | 6:16 | 6:16 | 6:17 | 6:17 | 6:17 | 6:18 | 6:18 | 6:19 | 6:19 | 6:20 | 6:20 |
| Sunset (PM) | 5:13 | 5:13 | 5:14 | 5:14 | 5:14 | 5:14 | 5:15 | 5:15 | 5:15 | 5:16 | 5:16 | 5:16 | 5:17 | 5:17 | 5:17 | 5:18 | 5:18 | 5:19 | 5:19 | 5:19 | 5:20 | 5:20 | 5:21 | 5:21 | 5:22 | 5:22 | 5:23 | 5:23 | 5:24 | 5:24 | 5:25 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.1 | 6:05 | 5:13 |
| 2 | 11.1 | 6:05 | 5:13 |
| 3 | 11.1 | 6:06 | 5:14 |
| 4 | 11.1 | 6:07 | 5:14 |
| 5 | 11.1 | 6:07 | 5:14 |
| 6 | 11.1 | 6:08 | 5:14 |
| 7 | 11.1 | 6:08 | 5:15 |
| 8 | 11.1 | 6:09 | 5:15 |
| 9 | 11.1 | 6:09 | 5:15 |
| 10 | 11.1 | 6:10 | 5:16 |
| 11 | 11.1 | 6:10 | 5:16 |
| 12 | 11.1 | 6:11 | 5:16 |
| 13 | 11.1 | 6:12 | 5:17 |
| 14 | 11.1 | 6:12 | 5:17 |
| 15 | 11.1 | 6:13 | 5:17 |
| 16 | 11.1 | 6:13 | 5:18 |
| 17 | 11.1 | 6:14 | 5:18 |
| 18 | 11.1 | 6:14 | 5:19 |
| 19 | 11.1 | 6:15 | 5:19 |
| 20 | 11.1 | 6:15 | 5:19 |
| 21 | 11.1 | 6:16 | 5:20 |
| 22 | 11.1 | 6:16 | 5:20 |
| 23 | 11.1 | 6:17 | 5:21 |
| 24 | 11.1 | 6:17 | 5:21 |
| 25 | 11.1 | 6:17 | 5:22 |
| 26 | 11.1 | 6:18 | 5:22 |
| 27 | 11.1 | 6:18 | 5:23 |
| 28 | 11.1 | 6:19 | 5:23 |
| 29 | 11.1 | 6:19 | 5:24 |
| 30 | 11.1 | 6:20 | 5:24 |
| 31 | 11.1 | 6:20 | 5:25 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 4.07 kWh/m².
For context, solar energy here swings from a low near 4.03 kWh/m² to a high of 6.64 kWh/m² in April across the year — December's 4.07 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.2 |
| Level | Moderate | Moderate | Moderate | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.0 | Moderate |
| 2 | 4.0 | Moderate |
| 3 | 4.0 | Moderate |
| 4 | 4.0 | Bright |
| 5 | 4.0 | Bright |
| 6 | 4.0 | Bright |
| 7 | 4.0 | Bright |
| 8 | 4.0 | Bright |
| 9 | 4.0 | Bright |
| 10 | 4.0 | Bright |
| 11 | 4.0 | Bright |
| 12 | 4.0 | Bright |
| 13 | 4.0 | Bright |
| 14 | 4.0 | Bright |
| 15 | 4.0 | Bright |
| 16 | 4.0 | Bright |
| 17 | 4.0 | Bright |
| 18 | 4.0 | Bright |
| 19 | 4.0 | Bright |
| 20 | 4.0 | Bright |
| 21 | 4.1 | Bright |
| 22 | 4.1 | Bright |
| 23 | 4.1 | Bright |
| 24 | 4.1 | Bright |
| 25 | 4.1 | Bright |
| 26 | 4.1 | Bright |
| 27 | 4.1 | Bright |
| 28 | 4.1 | Bright |
| 29 | 4.1 | Bright |
| 30 | 4.1 | Bright |
| 31 | 4.2 | Bright |
Hazard calendar for Arizona
In December, Arizona sits inside its rainy season season. The full year is below, with each hazard's peak months called out.
Arizona sits in the Atlantic hurricane belt; the season peaks August–October.
Arizona's rainy season runs September–January, when most of the year's rain falls.
Is December a good time to visit Arizona?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is a reasonable time to visit Arizona for sightseeing.
What to pack for Arizona in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Arizona sees daytime highs around 25°C and nights near 22°C. Pack rain gear. Worth having: light clothes. About 18 days see rain.
Sea temperature near Arizona in December
The nearest coast averages about 27°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 28 km away) is warmest in September at about 30°C and coldest in January near 27°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 27 | 27 | 28 | 29 | 29 | 29 | 30 | 30 | 29 | 28 | 27 |
| Comfort | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 27 | Warm |
| Mar | 27 | Warm |
| Apr | 28 | Tropical |
| May | 29 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 28 | Tropical |
| Dec | 27 | Warm |
UV index in Arizona in December
Clear-sky midday UV in December peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Arizona peaks around April 9 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 12 | 13 | 13 | 12 | 12 | 12 | 12 | 12 | 11 | 9 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 12 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 8 | Very high |
Air quality in Arizona in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Arizona is worst in April — around 36 µg/m³ PM2.5 (poor), about 5.3× the cleanest month (December, 7 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 7 | 8 | 12 | 36 | 29 | 25 | 28 | 20 | 15 | 12 | 8 | 7 |
| Level | Good | Good | Good | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 7 | Good |
| Feb | 8 | Good |
| Mar | 12 | Good |
| Apr | 36 | Poor |
| May | 29 | Moderate |
| Jun | 25 | Moderate |
| Jul | 28 | Moderate |
| Aug | 20 | Moderate |
| Sep | 15 | Moderate |
| Oct | 12 | Good |
| Nov | 8 | Good |
| Dec | 7 | Good |
Where is Arizona?
Arizona sits at 15.6°N, 87.3°W, 72 m above sea level, in Honduras. The nearest listed city is Tela, 22 km away.
Topography around Arizona
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Arizona.
Within 3 km, the terrain around Arizona has only modest variations in elevation — a maximum elevation change of 165 m around an average of 59 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,871 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,401 m.
The land around Arizona is covered by trees (74%) and grassland (21%) within 3 km, trees (76%) and grassland (22%) within 16 km, and trees (51%) and water (32%) within 80 km.
Honduras travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 46% of US
- price level, 2025
- GDP per capita
- $3,598
- 2025
- Happiness
- 6.1 / 10
- World Happiness, 2025
- Safe drinking water
- 66%
- of population, 2024
- Homicide rate
- 31.4
- per 100k, 2023
- Road deaths
- 16.1
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- High
- EF EPI 553
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Arizona (15.6333°, -87.3167°, elevation 72 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).