Chalco, United States — Weather in May 2027

Climate Overview

Chalco, United States in May has warm conditions, with highs averaging 23.2°C (74°F). Rain falls on about 12 days this month. Temperatures drop noticeably between day and night.

This month falls at the end of Spring.

Daily highs in May gradually rise from around 20°C (69°F) at the start to 25°C (78°F) by month's end.

May sees fairly even rainfall, totalling about 134 mm across the month.

Expect around 9.8h of sunshine at the start of May, increasing to 10.9h by the end.

The warmest days tend to fall around the 31th, averaging 25.8°C (78°F).

Compared to April, this month is about 5°C warmer with 3 more rainy days. Temperatures will rise further into June.

Monthly May Averages

Temperature

23°C / 13°C

Feels Like

22°C / 11°C

Rain

12 days · 134 mm

Sunshine

9.9h / day

Humidity

66% — Humid

Wind

22 km/h

Wind Direction

ESE (117°)

Gusts

43 km/h

Daylight

14.5 h

Cloud Cover

57%

Clear Sky Days

5.6

UV Index

7 — High

Dew Point

11°C — Comfortable

Moon Phase

Waxing Gibbous · 66%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:08

Daylight 14.5h

Sunset 20:37

What to Expect

Daytime temperatures around 23°C (74°F) are ideal for full-day outdoor exploration. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Rain usually comes in shorter passing showers rather than all-day rain.

1 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	1°C / -7°C	-3°C / -13°C	5days (33 mm) Good	6.3h Fair	70% Muggy	2.7 Moderate	Poor	View Details
February	5°C / -6°C	0°C / -12°C	5days (25 mm) Good	7.9h Good	64% Muggy	3.9 Moderate	Poor	View Details
March	13°C / 1°C	9°C / -4°C	9days (81 mm) Wet	8.1h Good	64% Muggy	4.9 Moderate	Poor	View Details
April	18°C / 6°C	15°C / 2°C	9days (78 mm) Wet	9.5h Good	60% Moderate	6.2 High	Fair	View Details
May best	23°C / 13°C	22°C / 11°C	12days (134 mm) Wet	9.9h Good	66% Muggy	7 High	Excellent	View Details
June best	30°C / 19°C	32°C / 20°C	9days (108 mm) Wet	12.6h Excellent	64% Muggy	7.6 Very High	Excellent	View Details
July best	31°C / 21°C	34°C / 22°C	9days (88 mm) Wet	12.4h Excellent	69% Muggy	7.6 Very High	Excellent	View Details
August best	29°C / 20°C	32°C / 21°C	9days (96 mm) Wet	11.4h Excellent	70% Muggy	7 High	Excellent	View Details
September best	27°C / 17°C	27°C / 16°C	8days (72 mm) Wet	10.1h Excellent	65% Muggy	5.9 High	Excellent	View Details
October	19°C / 9°C	16°C / 6°C	7days (73 mm) Good	8.1h Good	61% Muggy	4.2 Moderate	Good	View Details
November	11°C / 2°C	7°C / -3°C	5days (33 mm) Good	7h Good	65% Muggy	2.8 Moderate	Poor	View Details
December	5°C / -4°C	0°C / -9°C	4days (35 mm) Good	6.5h Fair	68% Muggy	2.3 Moderate	Poor	View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaWaterproof jacketSunscreen (SPF 30+)SunglassesComfortable walking shoes

Frequently Asked Questions

Expand all

Is May a good time to visit Chalco?

May is typically excellent for visiting Chalco, with average highs of 23°C (74°F) and around 12 rainy days. Chalco, United States in May has warm conditions, with highs averaging 23.2°C (74°F). Rain falls on about 12 days this m

Does it rain a lot in Chalco in May?

Chalco typically sees around 12 rainy days in May with 134 mm (5.3 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Chalco in May?

Evenings in Chalco during May are mild at 13°C (55°F). A light cardigan is usually enough.

What should I pack for Chalco in May?

With highs of 23°C (74°F) and lows of 13°C (55°F) in May, we recommend: Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.

Is May among the best months weather-wise in Chalco?

Yes, May offers some of the best weather conditions in Chalco with comfortable temperatures and lower chances of rain.

What is the UV index in Chalco in May?

The average UV index in Chalco during May is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

How many hours of daylight are there in Chalco in May?

Chalco gets approximately 15 hours of daylight per day in May, with around 10 hours of sunshine.

Does it snow in Chalco in May?

Snow is uncommon in Chalco during May based on 10-year climate averages.

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