Lompoc, United States — Weather in May 2027

Climate Overview

Lompoc, United States in May has mild conditions, with highs averaging 17.5°C (64°F) and noticeably cooler mornings. Rain is rare, falling on about 1 days this month. Sea temperature stays cool at 14°C (57°F).

This month falls at the end of Spring.

Temperatures remain fairly steady throughout May, with daily highs around 17°C (63°F).

Rainfall is heaviest during the middle of the month, while the last third tends to be drier.

Expect around 12.3h of sunshine at the start of May, increasing to 13.1h by the end.

The warmest days tend to fall around the 31th, averaging 17.9°C (64°F).

Temperatures will rise further into June.

Monthly May Averages

Temperature

18°C / 12°C

Feels Like

17°C / 10°C

Rain

1 days · 6 mm

Sunshine

12.8h / day

Humidity

79% — Humid

Wind

23 km/h

Wind Direction

WNW (297°)

Gusts

42 km/h

Daylight

14 h

Cloud Cover

39%

Clear Sky Days

8.8

UV Index

8 — Very 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

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:00

Daylight 14h

Sunset 19:59

Compare Months

2days (16 mm) Excellent

1days (6 mm) Excellent

0days (2 mm) Excellent

0days (0 mm) Excellent

0days (1 mm) Excellent

1days (5 mm) Excellent

1days (10 mm) Excellent

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	16°C / 11°C	14°C / 8°C	7days (99 mm) Good	8h Good	75% Muggy	3.7 Moderate	Good	View Details
February	16°C / 10°C	14°C / 7°C	6days (69 mm) Good	9.1h Good	72% Muggy	4.6 Moderate	Good	View Details
March	16°C / 11°C	14°C / 8°C	8days (84 mm) Wet	10h Excellent	76% Humid	5.9 High	Good	View Details
April	17°C / 12°C	16°C / 9°C	2days (16 mm) Excellent	11.6h Excellent	76% Humid	7.2 Very High	Good	View Details
May	18°C / 12°C	17°C / 10°C	1days (6 mm) Excellent	12.8h Excellent	79% Humid	8 Very High	Good	View Details
June	20°C / 14°C	20°C / 13°C	0days (2 mm) Excellent	13.3h Excellent	78% Humid	8.1 Very High	Excellent	View Details
July	21°C / 15°C	22°C / 14°C	0days (0 mm) Excellent	13.2h Excellent	80% Humid	8.4 Very High	Excellent	View Details
August best	22°C / 16°C	23°C / 15°C	0days (1 mm) Excellent	12.3h Excellent	81% Humid	8 Very High	Excellent	View Details
September best	22°C / 16°C	23°C / 16°C	1days (5 mm) Excellent	11.4h Excellent	79% Humid	6.9 High	Excellent	View Details
October best	21°C / 15°C	21°C / 14°C	1days (10 mm) Excellent	10.2h Excellent	72% Muggy	5.6 High	Excellent	View Details
November	19°C / 13°C	17°C / 11°C	4days (38 mm) Good	8.9h Good	72% Muggy	4 Moderate	Good	View Details
December	17°C / 11°C	15°C / 9°C	6days (76 mm) Good	7.8h Good	74% Muggy	3.2 Moderate	Good	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.

Packing List

Layered clothingLight jacketComfortable walking shoes

Frequently Asked Questions

Expand all

Is May a good time to visit Lompoc?

May is typically good for visiting Lompoc, with average highs of 18°C (64°F) and around 1 rainy days. Lompoc, United States in May has mild conditions, with highs averaging 17.5°C (64°F) and noticeably cooler mornings. Rai

Does it rain a lot in Lompoc in May?

Lompoc typically sees around 1 rainy days in May with 6 mm (0.2 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Lompoc in May?

Nights in Lompoc during May are cool at around 12°C (54°F). Bring a jacket or sweater for evenings.

What should I pack for Lompoc in May?

With highs of 18°C (64°F) and lows of 12°C (54°F) in May, we recommend: Layered clothing, Light jacket, Comfortable walking shoes. Comfortable walking shoes are essential.

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

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

What is the UV index in Lompoc in May?

The average UV index in Lompoc during May is 8 (very high). Strong sun protection is essential — SPF 50+, protective clothing, and avoid prolonged outdoor exposure during peak hours.

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

Lompoc gets approximately 14 hours of daylight per day in May, with around 13 hours of sunshine.

Does it snow in Lompoc in May?

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

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