Smithfield, United States — Weather in May 2027

Climate Overview

Smithfield, United States in May has mild conditions, with highs averaging 19.4°C (67°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 17°C (63°F) at the start to 22°C (72°F) by month's end.

May sees fairly even rainfall, totalling about 96 mm across the month.

Expect around 7.7h of sunshine at the start of May, increasing to 9.2h by the end.

The warmest days tend to fall around the 27th, averaging 22.6°C (73°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 / 10°C

Feels Like

19°C / 8°C

Rain

12 days · 97 mm

Sunshine

9.5h / day

Humidity

74% — Humid

Wind

17 km/h

Wind Direction

WSW (254°)

Gusts

41 km/h

Daylight

14.6 h

Cloud Cover

66%

Clear Sky Days

3.1

UV Index

6.3 — High

Dew Point

10°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 05:27

Daylight 14.6h

Sunset 20:00

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	3°C / -4°C	-1°C / -9°C	9days (95 mm) Wet	5.9h Fair	68% Muggy	2.2 Moderate	Poor	View Details
February	5°C / -3°C	1°C / -8°C	9days (83 mm) Wet	6.8h Fair	70% Muggy	3.3 Moderate	Poor	View Details
March	9°C / 0°C	5°C / -5°C	11days (101 mm) Wet	7.9h Good	67% Muggy	4.4 Moderate	Poor	View Details
April	14°C / 5°C	11°C / 1°C	12days (104 mm) Wet	8.4h Good	69% Muggy	5.2 High	Fair	View Details
May	19°C / 10°C	19°C / 8°C	12days (97 mm) Wet	9.5h Good	74% Muggy	6.3 High	Good	View Details
June best	25°C / 16°C	26°C / 15°C	11days (79 mm) Wet	10.8h Excellent	73% Muggy	7 High	Excellent	View Details
July best	28°C / 19°C	31°C / 21°C	12days (115 mm) Wet	11h Excellent	76% Humid	7.1 Very High	Excellent	View Details
August best	27°C / 19°C	29°C / 20°C	11days (88 mm) Wet	10.5h Excellent	75% Muggy	6.5 High	Excellent	View Details
September best	23°C / 15°C	23°C / 15°C	9days (95 mm) Wet	8.4h Good	78% Humid	5 Moderate	Excellent	View Details
October best	17°C / 10°C	16°C / 8°C	9days (106 mm) Wet	7h Good	77% Humid	3.9 Moderate	Good	View Details
November	11°C / 3°C	7°C / -1°C	8days (75 mm) Wet	6.5h Fair	72% Muggy	2.7 Moderate	Poor	View Details
December	5°C / -2°C	1°C / -6°C	10days (118 mm) Wet	5.6h Fair	72% Muggy	2 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 jacketComfortable walking shoes

Frequently Asked Questions

Expand all

Is May a good time to visit Smithfield?

May is typically good for visiting Smithfield, with average highs of 19°C (67°F) and around 12 rainy days. Smithfield, United States in May has mild conditions, with highs averaging 19.4°C (67°F) and noticeably cooler mornings.

Does it rain a lot in Smithfield in May?

Smithfield typically sees around 12 rainy days in May with 97 mm (3.8 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Smithfield in May?

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

What should I pack for Smithfield in May?

With highs of 19°C (67°F) and lows of 10°C (50°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 Smithfield?

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

What is the UV index in Smithfield in May?

The average UV index in Smithfield 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 Smithfield in May?

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

Does it snow in Smithfield in May?

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

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