Teresina climate: monthly averages: annual mean temperature 28.2 C; warmest month Oct (31.3 C); coldest month Apr (25.9 C).
Annual mean temperature: 28.2 C
Warmest month: Oct (31.3 C)
Coldest month: Apr (25.9 C)
Wettest month: Mar (8.42 mm/day)
All-time record high: 41.3 C
All-time record low: 17.6 C
**Teresina’s climate averages show a hot, tropical year-round pattern with minimal seasonal swings.** The city’s annual mean temperature is **28.2°C**, peaking in October at **31.3°C** and dipping slightly in April to **25.9°C**. Rainfall averages **1,201 mm yearly**, with March the wettest month (8.42 mm/day). Extreme temperatures range from **41.3°C** (record high) to **17.6°C** (record low).
Annual mean temperature 28.2 C
Warmest month Oct (31.3 C)
Coldest month Apr (25.9 C)
Wettest month Mar (8.42 mm/day)
All-time record high 41.3 C
All-time record low 17.6 C
Annual precipitation 1,201 mm / year
Coordinates -5.08917, -42.80194
Population 871,126
Average monthly temperature and rainfall in Teresina
Month
Mean temp (C)
Rain (mm/day)
Record high (C)
Record low (C)
Jan
27.4
5.92
39.6
19.7
Feb
26.3
8.03
37.2
20.5
Mar
26.1
8.42
37.4
20.0
Apr
25.9
7.96
36.1
19.6
May
26.3
3.42
37.6
19.3
Jun
26.9
0.79
37.5
17.6
Jul
27.8
0.34
38.1
17.6
Aug
29.2
0.21
39.7
17.9
Sep
30.7
0.24
40.5
18.6
Oct
31.3
0.67
41.3
20.9
Nov
30.8
1.29
41.3
21.3
Dec
29.6
2.49
41.1
20.5
What the Teresina climate table shows
Values are multi-decadal climatological averages for the -5.08917, -42.80194 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
**When is Teresina’s hottest month?**?
October, with an average of **31.3°C**, marks the warmest period.
**How much rain does Teresina get annually?**?
About **1,201 mm**, or roughly **3.29 mm per day** on average.