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Climate guideThirty-year normals for Arequipa
Arequipa climate by month
Cold desert · BWkBest Jun–Aug
Annual mean16°day and night
Seasonal swing2°warmest vs coolest
Precipitation167 mm58 wet days a year
16.40° S, 71.54° WElevation 2,397 mUTC−5 · Peru Standard Time
When to goArequipa · weather score
Best timeJun–Aug
October: high / low22° / 11°
iSummary
What the weather is like
Arequipa has a cold desert climate (Köppen BWk): very little rain and intense sun.
The warmest month is October, when afternoons average 22° and nights 11°. March is the coolest month, with highs of 19° and lows of 12°. The difference between the warmest and the coolest month is about 2°, a small seasonal swing typical of places tempered by the sea.
About 167 mm of precipitation falls in an average year. March is the wettest month (36 mm, 13 wet days) and July the driest (1 mm, 0 wet days). Cloud cover ranges from 11% in July to 73% in January.
Compared with Lima, the capital, Arequipa is 2.4° warmer on a October afternoon and receives more precipitation over the year.
Year in figures
- Hottest afternoons
- 22° · October
- Coldest nights
- 8° · July
- Wettest month
- March
- Driest month
- July
- Clearest skies
- July · 11% cloud
- Longest day
- 13 h 06 min
- Shortest day
- 11 h 09 min
iiCharts
Twelve months at a glance
Temperature and precipitation
Daily high/low range bars, monthly precipitation columnsTemperature curve
Average high, lowDaylight
Hours between sunrise and sunset on the 15th of each monthiiiData table
Climate normals month by month
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average high | 19° | 19° | 19° | 19° | 20° | 20° | 20° | 21° | 22° | 22° | 22° | 21° |
| Average low | 12° | 13° | 12° | 11° | 9° | 8° | 8° | 9° | 10° | 11° | 12° | 12° |
| Precipitation | 45 mm | 51 mm | 36 mm | 6 mm | 2 mm | 2 mm | 1 mm | 3 mm | 3 mm | 3 mm | 4 mm | 11 mm |
| Wet days (≥1 mm) | 12.5 | 12.2 | 12.8 | 3 | 1.5 | 0.8 | 0.2 | 0.2 | 2.3 | 2.7 | 3.7 | 5.8 |
| Cloud cover | 73% | 71% | 67% | 46% | 20% | 14% | 11% | 12% | 18% | 36% | 48% | 63% |
| Daylight | 13h 00 | 12h 37 | 12h 12 | 11h 44 | 11h 21 | 11h 09 | 11h 14 | 11h 33 | 12h 00 | 12h 27 | 12h 53 | 13h 06 |
| Month score | 53 | 54 | 54 | 86 | 96 | 98 | 100 | 100 | 95 | 91 | 84 | 73 |
ivMonth by month
Arequipa in every month
January53
19° / 12°
45 mm · 12.5 wet days
February54
19° / 13°
51 mm · 12.2 wet days
March54
19° / 12°
36 mm · 12.8 wet days
April86
19° / 11°
6 mm · 3 wet days
May96
20° / 9°
2 mm · 1.5 wet days
June98
20° / 8°
2 mm · 0.8 wet day
July100
20° / 8°
1 mm · 0.2 wet days
August100
21° / 9°
3 mm · 0.2 wet days
September95
22° / 10°
3 mm · 2.3 wet days
October91
22° / 11°
3 mm · 2.7 wet days
November84
22° / 12°
4 mm · 3.7 wet days
December73
21° / 12°
11 mm · 5.8 wet days