Climate Insights for Santo Tomás

Partido de Carlos Casares, Buenos Aires, Argentina

Hottest
January
30°C peak86°F peak
Coldest
July
4°C low40°F low
Wettest
January
102 mm rain4 in rain
Best to Visit
February, March, April
Mild temps & low rain

Climate Overview

The climate in Santo Tomás is temperate. The average annual temperature is 16°C and approximately 822 mm of precipitation falls per year. January is the wettest month, receiving around 102 mm of rainfall. Santo Tomás is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: January, December, February. The coldest months are July, June, August, when temperatures can drop to 4°C.The climate in Santo Tomás is temperate. The average annual temperature is 62°F and approximately 32.4 in of precipitation falls per year. January is the wettest month, receiving around 4 in of rainfall. Santo Tomás is in the Southern Hemisphere. The seasons are reversed: summer runs from December to February, while winter falls between June and August. The summer months are: January, December, February. The coldest months are July, June, August, when temperatures can drop to 40°F.

Temperature

0°5°10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 30°Average: 24°Min: 18°FebMax: 29°Average: 23°Min: 17°MarMax: 26°Average: 20°Min: 15°AprMax: 22°Average: 16°Min: 12°MayMax: 18°Average: 12°Min: 8°JunMax: 15°Average: 9°Min: 5°JulMax: 14°Average: 9°Min: 4°AugMax: 17°Average: 11°Min: 6°SepMax: 20°Average: 14°Min: 8°OctMax: 23°Average: 16°Min: 11°NovMax: 26°Average: 20°Min: 14°DecMax: 29°Average: 23°Min: 16°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°F90°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 86°FAverage: 75°FMin: 64°FFebMax: 84°FAverage: 73°FMin: 63°FMarMax: 79°FAverage: 69°FMin: 59°FAprMax: 72°FAverage: 62°FMin: 53°FMayMax: 64°FAverage: 54°FMin: 46°FJunMax: 59°FAverage: 49°FMin: 41°FJulMax: 58°FAverage: 48°FMin: 40°FAugMax: 63°FAverage: 52°FMin: 42°FSepMax: 68°FAverage: 56°FMin: 46°FOctMax: 73°FAverage: 62°FMin: 51°FNovMax: 79°FAverage: 68°FMin: 57°FDecMax: 85°FAverage: 73°FMin: 61°F
Max
Average
Min

Temperatures in Santo Tomás vary considerably across the year, with a 26°C difference between the coldest and warmest months. The warmest month is January, when average highs reach 30°C and the mean temperature sits around 24°C. July is the coolest month, with minimum temperatures around 4°C and an average of 9°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 4°C shift in average temperatures.Temperatures in Santo Tomás vary considerably across the year, with a 46°F difference between the coldest and warmest months. The warmest month is January, when average highs reach 86°F and the mean temperature sits around 75°F. July is the coolest month, with minimum temperatures around 40°F and an average of 48°F. On average, daily temperatures fluctuate by about 20°F between overnight lows and afternoon highs. The sharpest temperature change occurs between April and May, with a 8°F shift in average temperatures.

Precipitation

0mm25mm50mm75mm100mm125mm150mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 102mmFebPrecipitation: 88mmMarPrecipitation: 90mmAprPrecipitation: 92mmMayPrecipitation: 35mmJunPrecipitation: 26mmJulPrecipitation: 29mmAugPrecipitation: 34mmSepPrecipitation: 65mmOctPrecipitation: 78mmNovPrecipitation: 96mmDecPrecipitation: 87mm
Precipitation
0in1in2in3in4inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 4inFebPrecipitation: 3.5inMarPrecipitation: 3.5inAprPrecipitation: 3.6inMayPrecipitation: 1.4inJunPrecipitation: 1inJulPrecipitation: 1.1inAugPrecipitation: 1.3inSepPrecipitation: 2.5inOctPrecipitation: 3.1inNovPrecipitation: 3.8inDecPrecipitation: 3.4in
Precipitation

Santo Tomás is a moderately rainy area, receiving approximately 822 mm of precipitation annually, which averages out to around 68 mm per month. The wettest month is January, averaging 102 mm of rainfall. November and April also tend to see above-average precipitation. The driest month is June, with just 26 mm. That's 76 mm less than January, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.Santo Tomás is a moderately rainy area, receiving approximately 32.4 in of precipitation annually, which averages out to around 2.7 in per month. The wettest month is January, averaging 4 in of rainfall. November and April also tend to see above-average precipitation. The driest month is June, with just 1 in. That's 3 in less than January, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Wind

0km/h5km/h10km/h15km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 13km/hFebWind Speed: 12km/hMarWind Speed: 13km/hAprWind Speed: 13km/hMayWind Speed: 12km/hJunWind Speed: 12km/hJulWind Speed: 13km/hAugWind Speed: 14km/hSepWind Speed: 14km/hOctWind Speed: 14km/hNovWind Speed: 15km/hDecWind Speed: 13km/h
Wind Speed
0mph5mph10mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 8mphFebWind Speed: 7mphMarWind Speed: 8mphAprWind Speed: 8mphMayWind Speed: 8mphJunWind Speed: 8mphJulWind Speed: 8mphAugWind Speed: 9mphSepWind Speed: 9mphOctWind Speed: 9mphNovWind Speed: 9mphDecWind Speed: 8mph
Wind Speed

Santo Tomás is mildly breezy, with an average annual wind speed of 13km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is November, averaging 15km/h, though still comfortable for most outdoor activities. The calmest conditions occur in February, with average winds dropping to 12km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.Santo Tomás is moderately windy, with an average annual wind speed of 8mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is November, averaging 9mph, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in February, with average winds dropping to 7mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2mph between the calmest and windiest months.

Best Time to Visit

Jan24°75°F
Feb23°73°F
Mar20°69°F
Apr16°62°F
May12°54°F
Jun9°49°F
Jul9°48°F
Aug11°52°F
Sep14°56°F
Oct16°62°F
Nov20°68°F
Dec23°73°F

The best time to visit Santo Tomás is during February, March, April, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 20°C with modest rainfall averaging 89 mm per month. By contrast, January can be uncomfortably hot with highs reaching 30°C, while July is the coldest period with lows dropping to 4°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.The best time to visit Santo Tomás is during February, March, April, October, November and December, when the weather is most comfortable for travellers. During these months, average temperatures hover around 68°F with modest rainfall averaging 3.5 in per month. By contrast, January can be uncomfortably hot with highs reaching 86°F, while July is the coldest period with lows dropping to 40°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Santo Tomás based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Santo Tomás based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
18 °C64 °F
30 °C86 °F
13 km/h8 mph
102 mm4 in
0 cm0 in
Feb
17 °C63 °F
29 °C84 °F
12 km/h7 mph
88 mm3.5 in
0 cm0 in
Mar
15 °C59 °F
26 °C79 °F
13 km/h8 mph
90 mm3.5 in
0 cm0 in
Apr
12 °C53 °F
22 °C72 °F
13 km/h8 mph
92 mm3.6 in
0 cm0 in
May
8 °C46 °F
18 °C64 °F
12 km/h8 mph
35 mm1.4 in
0 cm0 in
Jun
5 °C41 °F
15 °C59 °F
12 km/h8 mph
26 mm1 in
0 cm0 in
Jul
4 °C40 °F
14 °C58 °F
13 km/h8 mph
29 mm1.1 in
0 cm0 in
Aug
6 °C42 °F
17 °C63 °F
14 km/h9 mph
34 mm1.3 in
0 cm0 in
Sep
8 °C46 °F
20 °C68 °F
14 km/h9 mph
65 mm2.5 in
0 cm0 in
OctCurrent
11 °C51 °F
23 °C73 °F
14 km/h9 mph
78 mm3.1 in
0 cm0 in
Nov
14 °C57 °F
26 °C79 °F
15 km/h9 mph
96 mm3.8 in
0 cm0 in
Dec
16 °C61 °F
29 °C85 °F
13 km/h8 mph
87 mm3.4 in
0 cm0 in