If you only need Arequipa climate: monthly averages, the figures and table here are the whole story. Arequipa runs from 9.4 C in Jul to 12.1 C in Nov, a swing of 2.7 C. Rain is strongly seasonal: Feb is the wettest month at 1.66 mm/day, while Jun runs at 0.01 mm/day, about 166.0x drier. Taken together that is roughly 150 mm of rain a year for the grid cell. Because each page is rebuilt independently, one unavailable upstream never takes the rest of the site down. Exact monthly values are in the table; links below cover adjacent locations and years.
Annual mean temperature 11.0 C
Warmest month Nov (12.1 C)
Coldest month Jul (9.4 C)
Wettest month Feb (1.66 mm/day)
All-time record high 24.8 C
All-time record low -1.1 C
Annual precipitation 150 mm / year
Coordinates -16.399, -71.5375
Population 1,195,700
Average monthly temperature and rainfall in Arequipa
Month
Mean temp (C)
Rain (mm/day)
Record high (C)
Record low (C)
Jan
11.6
1.12
24.2
1.8
Feb
11.5
1.66
23.6
2.0
Mar
11.6
0.80
24.0
0.8
Apr
11.4
0.21
23.2
-0.3
May
10.1
0.07
22.8
-0.0
Jun
9.7
0.01
22.6
-0.2
Jul
9.4
0.06
22.4
-1.1
Aug
10.2
0.03
23.1
-1.0
Sep
11.1
0.11
23.8
-0.3
Oct
11.8
0.23
24.4
0.3
Nov
12.1
0.12
24.8
0.4
Dec
11.8
0.52
24.4
0.6
What the Arequipa climate table shows
Values are multi-decadal climatological averages for the -16.399, -71.5375 grid cell, not a single year. Rain is the daily mean, so a value of 2.00 mm/day is about 60 mm across a 30-day month. Averages smooth over extremes, so use them for planning rather than for what to pack for next Tuesday.
Frequently asked questions
Does Arequipa get the same every year?
Close to it. Averaging decades smooths variation, so treat these as typical rather than guaranteed.