San Gregorio de Polanco Weather in May
With daytime temperatures of 21°C (70°F) and nighttime lows of 11°C (52°F), May in San Gregorio de Polanco brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 111 mm (4.4 in) falls on average.
Rainfall in San Gregorio de Polanco in May
Historically, the month has about 9 days of rain, averaging 111 mm (4.4 in) in total. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.
Temperature in San Gregorio de Polanco in May
May in San Gregorio de Polanco brings typical temperatures with highs around 21°C (70°F) and lows of 11°C (52°F). Conditions are often most pleasant around the middle of the day. With overnight lows of 11°C (52°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in San Gregorio de Polanco in May
You can expect a moderate amount of sunlight, with approximately 172 hours. This means a pleasant mix of sun and overcast.If your ideal day consists of dry skies and pleasant temperatures, March typically offers the best circumstances for San Gregorio de Polanco.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Uruguay, check out our San Gregorio de Polanco's climate page.
San Gregorio de Polanco Temperature in May
Min Temperature
11°C (52°F)
Max Temperature
21°C (70°F)
Chance of Rain
28%
Precipitation
111 mm (4.4 in)
Rainy days
9 days
Humidity
79% *
Sunshine
172 hours *
Percentage Sunshine
*
Daily Historical Temperatures
48-year average (1977-2025)
Based on our historical records, temperatures in San Gregorio de Polanco typically drop from around 21°C (70°F) at the start of May to approximately 17°C (63°F) by the end. Nights are cool, with lows typically ranging from 8°C (46°F) to 12°C (54°F).
Average temperatures in May
Historical weather for San Gregorio de Polanco in May
Browse day-by-day weather records for San Gregorio de Polanco spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
San Gregorio de Polanco historical weather extremes in May
According to our 45 years of weather records for San Gregorio de Polanco, the following extremes were recorded between 1981 and 2026.
- The hottest May day on record in San Gregorio de Polanco reached 32°C (90°F) (May 7, 1981).
- The coldest May day was on May 9, 2026, with a maximum of 9°C (48°F).
- San Gregorio de Polanco registered its coldest May night on May 28, 1993, with temperatures dropping to 0°C (32°F).
Best Places in Uruguay in May
Find out more about the weather in Uruguay and which places have the best travel conditions in this month. See all of Uruguay in May →
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What to Wear in San Gregorio de Polanco in May
Pleasant temperatures in May mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in San Gregorio de Polanco in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Uruguay, check out our San Gregorio de Polanco's climate page.
Temperature Rainfall Sunshine Humidity
See the full San Gregorio de Polanco climate overview or explore weather in Uruguay.
