Irondequoit, United States — Weather in May 2027

Climate Overview

Irondequoit, United States in May has mild conditions, with highs averaging 17.8°C (64°F) and noticeably cooler mornings. Rain falls on about 12 days this month.

This month falls at the end of Spring.

Daily highs in May gradually rise from around 15°C (60°F) at the start to 21°C (70°F) by month's end.

May sees fairly even rainfall, totalling about 82 mm across the month.

Expect around 7.7h of sunshine at the start of May, increasing to 11.3h by the end.

The warmest days tend to fall around the 27th, averaging 21.3°C (70°F).

Compared to April, this month is about 6°C warmer with 1 fewer rainy days. Temperatures will rise further into June.

Monthly May Averages

Temperature

18°C / 10°C

Feels Like

17°C / 7°C

Rain

12 days · 81 mm

Sunshine

10.3h / day

Humidity

74% — Humid

Wind

20 km/h

Wind Direction

WSW (258°)

Gusts

36 km/h

Daylight

14.7 h

Cloud Cover

63%

Clear Sky Days

3.7

UV Index

5.8 — High

Dew Point

9°C — Dry

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 05:48

Daylight 14.7h

Sunset 20:28

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 / -11°C	18days (96 mm) Wet	4.6h Fair	74% Muggy	1.9 Low	Wet	View Details
February	3°C / -4°C	-2°C / -10°C	13days (84 mm) Wet	5.9h Fair	72% Muggy	3 Moderate	Poor	View Details
March	7°C / -1°C	3°C / -6°C	12days (80 mm) Wet	7.5h Good	69% Muggy	4 Moderate	Poor	View Details
April	12°C / 4°C	9°C / -1°C	13days (109 mm) Wet	8.5h Good	71% Muggy	4.8 Moderate	Poor	View Details
May best	18°C / 10°C	17°C / 7°C	12days (81 mm) Wet	10.3h Excellent	74% Muggy	5.8 High	Good	View Details
June best	23°C / 16°C	24°C / 15°C	11days (73 mm) Wet	11.8h Excellent	71% Muggy	6.6 High	Excellent	View Details
July best	27°C / 19°C	29°C / 20°C	11days (96 mm) Wet	12h Excellent	72% Muggy	6.7 High	Excellent	View Details
August best	26°C / 19°C	28°C / 19°C	12days (94 mm) Wet	11.1h Excellent	73% Muggy	5.8 High	Excellent	View Details
September best	23°C / 16°C	23°C / 15°C	9days (72 mm) Wet	9.6h Good	73% Muggy	5 Moderate	Excellent	View Details
October	17°C / 10°C	14°C / 7°C	14days (131 mm) Wet	6.9h Fair	73% Muggy	3.4 Moderate	Good	View Details
November	9°C / 3°C	5°C / -2°C	15days (96 mm) Wet	5.5h Fair	73% Muggy	2.1 Moderate	Poor	View Details
December	4°C / -2°C	-1°C / -7°C	18days (101 mm) Wet	4.4h Fair	75% Muggy	1.6 Low	Wet	View Details

What to Wear

Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.

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

Packing List

Layered clothingLight jacketUmbrellaWaterproof jacketComfortable walking shoes

Frequently Asked Questions

Expand all

Is May a good time to visit Irondequoit?

May is typically good for visiting Irondequoit, with average highs of 18°C (64°F) and around 12 rainy days. Irondequoit, United States in May has mild conditions, with highs averaging 17.8°C (64°F) and noticeably cooler mornings

Does it rain a lot in Irondequoit in May?

Irondequoit typically sees around 12 rainy days in May with 81 mm (3.2 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Irondequoit in May?

Nights in Irondequoit during May are cool at around 10°C (50°F). Bring a jacket or sweater for evenings.

What should I pack for Irondequoit in May?

With highs of 18°C (64°F) and lows of 10°C (50°F) in May, we recommend: Layered clothing, Light jacket, Umbrella, Waterproof jacket, Comfortable walking shoes. Comfortable walking shoes are essential.

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

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

What is the UV index in Irondequoit in May?

The average UV index in Irondequoit during May is 6 (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 Irondequoit in May?

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

Does it snow in Irondequoit in May?

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

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