São Tomé monthly weather averages

Contents

Average daytime temperature
Average rainfall
Average daily sunshine
Day / night temperatures
Sea temperature
Wind speed
Relative humidity
Quick weather stats
Location map

Average daytime temperature

The bar chart below shows the average monthly peak daytime temperatures at São Tomé

São Tomé average temperature chart (Celsius)

São Tomé average temperature chart (Fahrenheit)

Average monthly temperatures in São Tomé (degrees centigrade and fahrenheit)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
°C	31.8	31.4	31.3	30.4	29.3	29.1	28.7	29.7	30.4	31.4	31.8	32
°F	89.3	88.6	88.3	86.7	84.7	84.4	83.7	85.5	86.8	88.5	89.3	89.6

Please note: these are the average peak daytime temperatures (usually around mid-afternoon) so do not show daytime / night highs and lows. To see the daily range of temperatures have a look at the temperature max / min chart below.

Average rainfall & rainy days

The graph below shows the average rainfall and number of rainy days per month.

São Tomé monthly rainfall chart (inches)

Average monthly rainfall in São Tomé (mm and inches)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
mm	29	52	104	95	55	42	31	11	5	1	3	9
inches	1.1	2	4.1	3.7	2.2	1.7	1.2	0.4	0.2	0.1	0.1	0.3
Rainy days	14	16	20	21	22	21	20	16	12	8	8	11

Average annual rainfall in São Tomé: 393.4mm (154.9 inches)

Average daily sunshine

The bar chart below shows the average daily sunshine hours in São Tomé

Average daily sunshine São Tomé
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Hrs sunshine	8.2	7.5	6.8	6.8	7	6.8	6.5	8.2	8.7	9	9.4	8.3

Day / night temperatures

The graph below shows the daily range of temperatures for each month.

São Tomé average minimum / maximum temperatures (Celsius)

São Tomé average minimum / maximum temperatures (Fahrenheit)

Maximum and minimum daily temperatures in São Tomé (degrees centigrade and fahrenheit)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Min °C	21.5	22.4	21.9	21.6	21.1	20.1	19.7	19.5	20.1	20.8	20.7	21.6
Max °C	32.1	31.7	31.5	30.6	29.5	29.4	29	30	30.7	31.7	32.1	32.3
Min °F	70.7	72.2	71.4	70.9	70	68.1	67.4	67	68.2	69.4	69.3	70.8
Max °F	80.2	80.6	80.1	79	77.5	76.5	75.7	76.5	77.7	79.2	79.5	80.4

Sea temperature

The graph below shows the average sea temperature.

São Tomé average sea temperature chart (Fahrenheit)

Average sea temperature around São Tomé in degrees centigrade and fahrenheit
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
°C	27.8	28.2	28.5	28.7	28.4	27.8	27	26.6	26.5	26.7	27.1	27.4
°F	82	82.7	83.3	83.7	83.1	82.1	80.7	79.8	79.7	80.1	80.8	81.4

Wind speed

The graph below shows the average wind speed.

São Tomé average winspeed by month (km/h)

São Tomé average winspeed by month (mph)

Average wind speed in São Tomé (mph and kmh)
	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
km/h	11	10	8	8	8	9	11	13	14	13	13	13
mph	7	6	5	5	5	6	7	8	9	8	8	8

A monthly average windspeed of over 16km/h or 10mph suggests a location is fairly windy.

Relative humidity

The graph below shows the average relative humidity.

Average relative humidity in São Tomé
Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
69%	72%	76%	79%	79%	77%	75%	72%	69%	68%	66%	68%

Other monthly averages

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

São Tomé weather stats

São Tomé weather statistics
Hottest month:	February	31.4°C 88.5°F
Driest month:	October	1mm 0ins
Sunniest month:	November	9.4hrs
Coldest month:	July	28.7°C 83.7°F
Wettest month:	March	104mm 4.1ins
Warmest sea:	April	28.7°C 83.7°F

Map showing location of São Tomé (-5.9725, -36.07528)