Formosa Weather in May
May in Formosa sees daytime temperatures around 25°C (77°F) and lows of 15°C (59°F) at night. With around 134 mm (5.3 in) of rainfall expected, it's worth packing a rain jacket.
Rainfall in Formosa in May
This month experiences about 7 days of rain according to historical data, averaging 134 mm (5.3 in). Rainfall tends to arrive in short, intense showers this month. Rain days are few, but the showers can be surprisingly heavy.
Temperature in Formosa in May
In May, Formosa sees high temperatures, with highs of 25°C (77°F). Nights drop to around 15°C (59°F). Winter occurs in May. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 15°C (59°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Formosa in May
The city usually sees around 200 hours of sunlight, indicating many sunny days — a great month for sightseeing.Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Argentina, check out our Formosa's climate page.
Formosa Temperature in May
Min Temperature
15°C (59°F)
Max Temperature
25°C (77°F)
Chance of Rain
23%
Precipitation
134 mm (5.3 in)
Rainy days
7 days
Humidity
80%
Sunshine
200 hours
Percentage Sunshine
60%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Formosa typically drop from around 26°C (79°F) at the start of May to approximately 22°C (72°F) by the end. Nights are pleasant, with lows typically ranging from 12°C (54°F) to 16°C (61°F).
Average temperatures in May
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in May
Historical weather for Formosa in May
Browse day-by-day weather records for Formosa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Formosa historical weather extremes in May
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Formosa.
- The hottest May day on record in Formosa reached 36°C (97°F) (May 12, 2009).
- The coldest May day was on May 6, 1989, with a maximum of 11°C (52°F).
- The lowest overnight temperature recorded in May was 0°C (32°F) (May 30, 2008).
Best Places in Argentina in May
Find out more about the weather in Argentina and which places have the best travel conditions in this month. See all of Argentina in May →
perfect weather
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tolerable
unpleasant
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What to Wear in Formosa in May
Warm but pleasant conditions in Formosa in May. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Formosa 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 Argentina, check out our Formosa's climate page.
Temperature Rainfall Sunshine Humidity
See the full Formosa climate overview or explore weather in Argentina.
