Climate Insights for Unión y Progreso

San Cristóbal Amoltepec, Oaxaca, Mexico

Hottest
April
26°C peak79°F peak
Coldest
January
8°C low47°F low
Wettest
September
290 mm rain11.4 in rain
Best to Visit
February, March, April
Mild temps & low rain

Climate Overview

The climate in Unión y Progreso is temperate. The average annual temperature is 17°C and approximately 1,289 mm of precipitation falls per year. September is the wettest month, receiving around 290 mm of rainfall. Unión y Progreso is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, March, May. The coldest months are January, December, February, when temperatures can drop to 8°C.The climate in Unión y Progreso is temperate. The average annual temperature is 62°F and approximately 50.8 in of precipitation falls per year. September is the wettest month, receiving around 11.4 in of rainfall. Unión y Progreso is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: April, March, May. The coldest months are January, December, February, when temperatures can drop to 47°F.

Temperature

0°5°10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecJanMax: 22°Average: 14°Min: 8°FebMax: 24°Average: 16°Min: 9°MarMax: 26°Average: 17°Min: 11°AprMax: 26°Average: 18°Min: 12°MayMax: 26°Average: 19°Min: 13°JunMax: 23°Average: 17°Min: 13°JulMax: 23°Average: 17°Min: 12°AugMax: 23°Average: 17°Min: 12°SepMax: 23°Average: 17°Min: 13°OctMax: 23°Average: 17°Min: 12°NovMax: 23°Average: 16°Min: 10°DecMax: 22°Average: 15°Min: 8°
Max
Average
Min
0°F10°F20°F30°F40°F50°F60°F70°F80°FJanFebMarAprMayJunJulAugSepOctNovDecJanMax: 72°FAverage: 58°FMin: 47°FFebMax: 76°FAverage: 61°FMin: 48°FMarMax: 78°FAverage: 63°FMin: 51°FAprMax: 79°FAverage: 65°FMin: 53°FMayMax: 78°FAverage: 65°FMin: 56°FJunMax: 74°FAverage: 63°FMin: 56°FJulMax: 74°FAverage: 63°FMin: 54°FAugMax: 73°FAverage: 62°FMin: 54°FSepMax: 73°FAverage: 62°FMin: 55°FOctMax: 73°FAverage: 62°FMin: 53°FNovMax: 74°FAverage: 60°FMin: 50°FDecMax: 72°FAverage: 58°FMin: 47°F
Max
Average
Min

Unión y Progreso sees moderate temperature variation throughout the year, ranging from 8°C to 26°C. The warmest month is April, when average highs reach 26°C and the mean temperature sits around 18°C. January is the coolest month, with minimum temperatures around 8°C and an average of 14°C. On average, daily temperatures fluctuate by about 13°C between overnight lows and afternoon highs.Unión y Progreso sees moderate temperature variation throughout the year, ranging from 47°F to 79°F. The warmest month is April, when average highs reach 79°F and the mean temperature sits around 65°F. January is the coolest month, with minimum temperatures around 47°F and an average of 58°F. On average, daily temperatures fluctuate by about 23°F between overnight lows and afternoon highs.

Precipitation

0mm50mm100mm150mm200mm250mm300mmJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 14mmFebPrecipitation: 7mmMarPrecipitation: 21mmAprPrecipitation: 40mmMayPrecipitation: 108mmJunPrecipitation: 256mmJulPrecipitation: 186mmAugPrecipitation: 231mmSepPrecipitation: 290mmOctPrecipitation: 111mmNovPrecipitation: 18mmDecPrecipitation: 6mm
Precipitation
0in2in4in6in8in10in12inJanFebMarAprMayJunJulAugSepOctNovDecJanPrecipitation: 0.6inFebPrecipitation: 0.3inMarPrecipitation: 0.8inAprPrecipitation: 1.6inMayPrecipitation: 4.2inJunPrecipitation: 10.1inJulPrecipitation: 7.3inAugPrecipitation: 9.1inSepPrecipitation: 11.4inOctPrecipitation: 4.4inNovPrecipitation: 0.7inDecPrecipitation: 0.2in
Precipitation

Unión y Progreso is a fairly wet location, receiving approximately 1,289 mm of precipitation annually, which averages out to around 107 mm per month. The wettest month is September, averaging 290 mm of rainfall. June and August also tend to see above-average precipitation. The driest month is December, with just 6 mm. That's 284 mm less than September, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.Unión y Progreso is a fairly wet location, receiving approximately 50.8 in of precipitation annually, which averages out to around 4.2 in per month. The wettest month is September, averaging 11.4 in of rainfall. June and August also tend to see above-average precipitation. The driest month is December, with just 0.2 in. That's 11.2 in less than September, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h5km/h10km/hJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 6km/hFebWind Speed: 6km/hMarWind Speed: 6km/hAprWind Speed: 6km/hMayWind Speed: 5km/hJunWind Speed: 5km/hJulWind Speed: 5km/hAugWind Speed: 5km/hSepWind Speed: 5km/hOctWind Speed: 6km/hNovWind Speed: 6km/hDecWind Speed: 6km/h
Wind Speed
0mph5mphJanFebMarAprMayJunJulAugSepOctNovDecJanWind Speed: 4mphFebWind Speed: 4mphMarWind Speed: 3mphAprWind Speed: 4mphMayWind Speed: 3mphJunWind Speed: 3mphJulWind Speed: 3mphAugWind Speed: 3mphSepWind Speed: 3mphOctWind Speed: 3mphNovWind Speed: 4mphDecWind Speed: 4mph
Wind Speed

Unión y Progreso is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/h between the calmest and windiest months.Unión y Progreso is relatively calm, with an average annual wind speed of 3mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is January, averaging 4mph, though still comfortable for most outdoor activities. The calmest conditions occur in September, with average winds dropping to 3mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1mph between the calmest and windiest months.

Best Time to Visit

Jan14°58°F
Feb16°61°F
Mar17°63°F
Apr18°65°F
May19°65°F
Jun17°63°F
Jul17°63°F
Aug17°62°F
Sep17°62°F
Oct17°62°F
Nov16°60°F
Dec15°58°F

The best time to visit Unión y Progreso is during February, March, April and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 17°C with modest rainfall averaging 22 mm per month. By contrast, January can be quite cold with temperatures dropping to 8°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.The best time to visit Unión y Progreso is during February, March, April and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 62°F with modest rainfall averaging 0.9 in per month. By contrast, January can be quite cold with temperatures dropping to 47°F. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.

Monthly Climate Data

The table below shows monthly climate averages for Unión y Progreso 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 Unión y Progreso 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
8 °C47 °F
22 °C72 °F
6 km/h4 mph
14 mm0.6 in
0 cm0 in
Feb
9 °C48 °F
24 °C76 °F
6 km/h4 mph
7 mm0.3 in
0 cm0 in
Mar
11 °C51 °F
26 °C78 °F
6 km/h3 mph
21 mm0.8 in
0 cm0 in
Apr
12 °C53 °F
26 °C79 °F
6 km/h4 mph
40 mm1.6 in
0 cm0 in
May
13 °C56 °F
26 °C78 °F
5 km/h3 mph
108 mm4.2 in
0 cm0 in
Jun
13 °C56 °F
23 °C74 °F
5 km/h3 mph
256 mm10.1 in
0 cm0 in
Jul
12 °C54 °F
23 °C74 °F
5 km/h3 mph
186 mm7.3 in
0 cm0 in
Aug
12 °C54 °F
23 °C73 °F
5 km/h3 mph
231 mm9.1 in
0 cm0 in
Sep
13 °C55 °F
23 °C73 °F
5 km/h3 mph
290 mm11.4 in
0 cm0 in
OctCurrent
12 °C53 °F
23 °C73 °F
6 km/h3 mph
111 mm4.4 in
0 cm0 in
Nov
10 °C50 °F
23 °C74 °F
6 km/h4 mph
18 mm0.7 in
0 cm0 in
Dec
8 °C47 °F
22 °C72 °F
6 km/h4 mph
6 mm0.2 in
0 cm0 in