Gary, United States — Weather in May 2027

Climate Overview

Gary, United States in May has mild conditions, with highs averaging 19°C (66°F) and noticeably cooler mornings. Rain falls on about 14 days this month.

This month falls at the end of Spring.

Daily highs in May gradually rise from around 16°C (60°F) at the start to 22°C (71°F) by month's end.

May sees fairly even rainfall, totalling about 127 mm across the month.

Expect around 8.8h of sunshine at the start of May, increasing to 11.5h by the end.

Wind speeds ease off through the month, from 23 km/h (14 mph) to 18 km/h (11 mph).

The warmest days tend to fall around the 26th, averaging 22.1°C (72°F).

Compared to April, this month is about 6°C warmer with 0 fewer rainy days. Temperatures will rise further into June.

Monthly May Averages

Temperature

19°C / 11°C

Feels Like

19°C / 9°C

Rain

14 days · 127 mm

Sunshine

10.4h / day

Humidity

75% — Humid

Wind

20 km/h

Wind Direction

NE (43°)

Gusts

40 km/h

Daylight

14.5 h

Cloud Cover

63%

Clear Sky Days

3.7

UV Index

6.6 — 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 05:31

Daylight 14.5h

Sunset 20:03

What to Expect

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.

2 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 / -5°C	-4°C / -10°C	10days (70 mm) Wet	5h Fair	75% Muggy	2.1 Moderate	Poor	View Details
February	3°C / -4°C	-1°C / -9°C	9days (64 mm) Wet	6.9h Fair	72% Muggy	3.4 Moderate	Poor	View Details
March	9°C / 1°C	5°C / -4°C	12days (107 mm) Wet	7.8h Good	71% Muggy	4.5 Moderate	Poor	View Details
April	13°C / 5°C	11°C / 1°C	14days (108 mm) Wet	9.1h Good	71% Muggy	5.4 High	Fair	View Details
May	19°C / 11°C	19°C / 9°C	14days (127 mm) Wet	10.4h Excellent	75% Muggy	6.6 High	Good	View Details
June best	25°C / 17°C	27°C / 17°C	11days (107 mm) Wet	12h Excellent	73% Muggy	7 High	Excellent	View Details
July best	27°C / 20°C	30°C / 22°C	11days (107 mm) Wet	12.1h Excellent	76% Humid	7 High	Excellent	View Details
August best	27°C / 20°C	29°C / 21°C	11days (94 mm) Wet	11.4h Excellent	75% Muggy	6.6 High	Excellent	View Details
September best	24°C / 17°C	25°C / 17°C	8days (67 mm) Wet	9.8h Good	72% Muggy	5.3 High	Excellent	View Details
October	17°C / 11°C	15°C / 8°C	11days (114 mm) Wet	7.5h Good	70% Muggy	3.8 Moderate	Good	View Details
November	10°C / 4°C	6°C / -1°C	8days (63 mm) Wet	6.1h Fair	71% Muggy	2.6 Moderate	Poor	View Details
December	4°C / -2°C	0°C / -7°C	9days (63 mm) Wet	5.1h Fair	74% Muggy	1.8 Low	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.

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

Packing List

Warm evening layerUmbrellaWaterproof jacketWaterproof shoes

Frequently Asked Questions

Expand all

Is May a good time to visit Gary?

May is typically good for visiting Gary, with average highs of 19°C (66°F) and around 14 rainy days. Gary, United States in May has mild conditions, with highs averaging 19°C (66°F) and noticeably cooler mornings. Rain fa

Does it rain a lot in Gary in May?

Gary typically sees around 14 rainy days in May with 127 mm (5 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Gary in May?

Nights in Gary during May are cool at around 11°C (52°F). Bring a jacket or sweater for evenings.

What should I pack for Gary in May?

With highs of 19°C (66°F) and lows of 11°C (52°F) in May, we recommend: Warm evening layer, Umbrella, Waterproof jacket, Waterproof shoes. Comfortable walking shoes are essential.

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

May is not the most favourable month weather-wise in Gary. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Gary in May?

The average UV index in Gary 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 Gary in May?

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

Does it snow in Gary in May?

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

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