Lake Grove, United States — Weather in May 2027

Climate Overview

Lake Grove, United States in May has mild conditions, with highs averaging 18.9°C (66°F) and noticeably cooler mornings. Rain falls on about 12 days this month. Sea temperature stays cool at 13.6°C (56°F).

This month falls at the end of Spring.

Daily highs in May gradually rise from around 17°C (62°F) at the start to 21°C (70°F) by month's end.

May sees fairly even rainfall, totalling about 109 mm across the month.

Expect around 8.7h of sunshine at the start of May, increasing to 9.9h by the end.

The warmest days tend to fall around the 26th, averaging 21.5°C (71°F).

Compared to April, this month is about 5°C warmer with 1 more rainy days. Temperatures will rise further into June.

Monthly May Averages

Temperature

19°C / 12°C

Feels Like

18°C / 9°C

Rain

12 days · 108 mm

Sunshine

10h / day

Humidity

75% — Humid

Wind

23 km/h

Wind Direction

S (181°)

Gusts

38 km/h

Daylight

14.5 h

Cloud Cover

65%

Clear Sky Days

3.3

UV Index

6.3 — High

Sea Temperature

14°C

Dew Point

11°C — Comfortable

Moon Phase

Waxing Gibbous · 66%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

High Low

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 05:35

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.

Recent yearly records for May have stayed close to the long-run average.

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	4°C / -1°C	-1°C / -7°C	10days (101 mm) Wet	6.1h Fair	70% Muggy	2.4 Moderate	Poor	View Details
February	6°C / -1°C	1°C / -6°C	10days (103 mm) Wet	6.8h Fair	72% Muggy	3.4 Moderate	Poor	View Details
March	9°C / 2°C	5°C / -3°C	11days (111 mm) Wet	8.4h Good	69% Muggy	4.6 Moderate	Poor	View Details
April	14°C / 7°C	11°C / 2°C	11days (111 mm) Wet	9.2h Good	71% Muggy	5.4 High	Fair	View Details
May	19°C / 12°C	18°C / 9°C	12days (108 mm) Wet	10h Excellent	75% Muggy	6.3 High	Good	View Details
June best	24°C / 18°C	26°C / 17°C	9days (73 mm) Wet	11.6h Excellent	75% Muggy	7.1 Very High	Excellent	View Details
July best	28°C / 22°C	31°C / 24°C	11days (102 mm) Wet	11.9h Excellent	77% Humid	7.3 Very High	Excellent	View Details
August best	27°C / 21°C	29°C / 23°C	10days (88 mm) Wet	11h Excellent	76% Humid	6.6 High	Excellent	View Details
September best	23°C / 18°C	24°C / 17°C	9days (106 mm) Wet	9.1h Good	76% Humid	5.1 High	Excellent	View Details
October	18°C / 13°C	17°C / 10°C	10days (123 mm) Wet	7.7h Good	75% Muggy	4.1 Moderate	Good	View Details
November	12°C / 6°C	8°C / 2°C	8days (89 mm) Wet	7h Good	70% Muggy	2.9 Moderate	Fair	View Details
December	6°C / 1°C	2°C / -4°C	11days (132 mm) Wet	5.7h Fair	72% Muggy	2.1 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.

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

Packing List

Warm evening layerUmbrellaWaterproof jacketComfortable walking shoes

Frequently Asked Questions

Expand all

Is May a good time to visit Lake Grove?

May is typically good for visiting Lake Grove, with average highs of 19°C (66°F) and around 12 rainy days. Lake Grove, United States in May has mild conditions, with highs averaging 18.9°C (66°F) and noticeably cooler mornings.

Does it rain a lot in Lake Grove in May?

Lake Grove typically sees around 12 rainy days in May with 108 mm (4.3 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Lake Grove in May?

Nights in Lake Grove during May are cool at around 12°C (53°F). Bring a jacket or sweater for evenings.

What should I pack for Lake Grove in May?

With highs of 19°C (66°F) and lows of 12°C (53°F) in May, we recommend: Warm evening layer, Umbrella, Waterproof jacket, Comfortable walking shoes. Comfortable walking shoes are essential.

Is May among the best months weather-wise in Lake Grove?

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

What is the UV index in Lake Grove in May?

The average UV index in Lake Grove 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 Lake Grove in May?

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

Does it snow in Lake Grove in May?

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

Last updated: