This is the short version of Saint Petersburg climate: monthly averages, with the monthly detail underneath. The gap between Jan and Jul is 27.4 C here: -9.1 C against 18.3 C. No month dominates: the wettest is Jul at 3.16 mm/day, the driest Mar at 1.40 mm/day. Taken together that is roughly 796 mm of rain a year for the grid cell. Values come from a public open API; a successful result is cached so a later outage never blanks the page. Scroll for the month-by-month figures, or jump to a neighbouring location from the links below.
Annual mean temperature 4.4 C
Warmest month Jul (18.3 C)
Coldest month Jan (-9.1 C)
Wettest month Jul (3.16 mm/day)
All-time record high 31.4 C
All-time record low -40.8 C
Annual precipitation 799 mm / year
Coordinates 59.9386, 30.3141
Population 5,351,935
Average monthly temperature and rainfall in Saint Petersburg
Month
Mean temp (C)
Rain (mm/day)
Record high (C)
Record low (C)
Jan
-9.1
1.57
5.5
-40.8
Feb
-8.3
1.45
4.3
-33.7
Mar
-3.5
1.40
13.4
-24.2
Apr
3.7
1.73
21.2
-11.6
May
10.8
2.24
27.3
-2.5
Jun
15.0
3.01
29.7
1.5
Jul
18.3
3.16
31.4
7.3
Aug
16.5
3.15
29.5
5.8
Sep
11.6
2.09
24.1
0.7
Oct
4.5
2.34
18.0
-13.0
Nov
-1.4
2.19
9.1
-30.2
Dec
-6.0
1.87
7.9
-29.4
What the Saint Petersburg climate table shows
Values are multi-decadal climatological averages for the 59.9386, 30.3141 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 Saint get the same every year?
Close to it. Averaging decades smooths variation, so treat these as typical rather than guaranteed.