HALF MOON BAY, CALIFORNIA

Home > North America > United States > California
Elevation: 12 meters Latitude: 37 28N Longitude: 122 26W

WEATHER

Monthly - Summary

Hourly Data

SELECT A DAY

Number of Records: 145,025; Date Range: 1/13/10 - 3/21/16

PRINT THIS DATA

[ ← Previous Day ]
WEATHER ALMANAC - 17 DECEMBER, 2014

[ Next Day → ]

[ °F ] °C

Weather Element	Average	High	Low
Temperature	12.1 ^°C	14 ^°C (9:15 am)	9 ^°C (12:15 am)
Dewpoint	9.1 ^°C	10 ^°C (3:55 am)	7 ^°C (9:15 am)
Humidity	83.7 ^%	100 ^% (12:15 am)	63 ^% (9:15 am)
Barometer	1016.9 ^hPa	1019.3 hPa (10:15 am)	1014.2 hPa (12:15 am)
Wind Speed	11.4 ^km/h	24.1 ^km/h (1:55 am)
Wind Gust		31.5 ^km/h (2:15 am)

Weather Element	Average
Visibility	8.7 ^km
Wind Direction	SSE (168.6 °)

Weather Element	Total
Precipitation	---
Heating Degree Days	6.8 (Base 18.3)
Growing Degree Days	1.5 (Base 10)

Averaged from 71 records on 17 December, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - 17 DECEMBER, 2014

[ °F ] °C

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Events	Conditions
12:15 AM	9 ^°C	9 ^°C	100 ^%	1014.2 hPa	16.1 ^km	Calm				Overcast
12:35 AM	9 ^°C	9 ^°C	100 ^%	1014.2 hPa	12.9 ^km	East (100°)	7.4 ^km/h			Mostly Cloudy
12:55 AM	9 ^°C	9 ^°C	100 ^%	1014.6 hPa	14.5 ^km	Calm				Overcast
1:15 AM	9 ^°C	9 ^°C	100 ^%	1014.6 hPa	14.5 ^km	Calm				Overcast
1:35 AM	11 ^°C	9 ^°C	88 ^%	1014.6 hPa	12.9 ^km	ENE (70°)	5.6 ^km/h			Overcast
1:55 AM	13 ^°C	8 ^°C	72 ^%	1014.6 hPa	11.3 ^km	NW (310°)	24.1 ^km/h	29.6 ^km/h		Overcast
2:15 AM	13 ^°C	8 ^°C	72 ^%	1014.9 hPa	11.3 ^km	NW (320°)	22.2 ^km/h	31.5 ^km/h		Overcast
2:35 AM	13 ^°C	8 ^°C	72 ^%	1014.9 hPa	11.3 ^km	NW (320°)	20.4 ^km/h	29.6 ^km/h		Mostly Cloudy
2:55 AM	13 ^°C	8 ^°C	72 ^%	1014.9 hPa	9.7 ^km	NW (310°)	22.2 ^km/h	27.8 ^km/h		Haze
3:15 AM	13 ^°C	9 ^°C	77 ^%	1014.9 hPa	9.7 ^km	NW (320°)	14.8 ^km/h			Haze
3:35 AM	13 ^°C	9 ^°C	77 ^%	1014.9 hPa	11.3 ^km	North (350°)	14.8 ^km/h			Mostly Cloudy
3:55 AM	12 ^°C	10 ^°C	88 ^%	1014.9 hPa	9.7 ^km	NNE (20°)	11.1 ^km/h			Overcast
4:15 AM	11 ^°C	10 ^°C	94 ^%	1014.9 hPa	11.3 ^km	North (360°)	7.4 ^km/h			Overcast
4:35 AM	12 ^°C	10 ^°C	88 ^%	1015.2 hPa	6.4 ^km	NNE (20°)	13 ^km/h			Overcast
4:55 AM	12 ^°C	10 ^°C	88 ^%	1015.2 hPa	11.3 ^km	NNW (340°)	9.3 ^km/h			Mostly Cloudy
5:15 AM	10 ^°C	10 ^°C	100 ^%	1015.6 hPa	12.9 ^km	North (10°)	7.4 ^km/h			Overcast
5:35 AM	11 ^°C	10 ^°C	94 ^%	1015.6 hPa	11.3 ^km	Calm				Overcast
5:55 AM	10 ^°C	10 ^°C	100 ^%	1015.9 hPa	11.3 ^km	Calm				Overcast
6:15 AM	10 ^°C	9 ^°C	94 ^%	1015.9 hPa	11.3 ^km	Calm				Overcast
6:55 AM	10 ^°C	10 ^°C	100 ^%	1016.3 hPa	11.3 ^km	ENE (60°)	5.6 ^km/h			Overcast
7:15 AM	10 ^°C	9 ^°C	94 ^%	1016.6 hPa	9.7 ^km	Calm				Overcast
7:35 AM	10 ^°C	10 ^°C	100 ^%	1016.6 hPa	8 ^km	East (80°)	5.6 ^km/h			Overcast
7:55 AM	11 ^°C	10 ^°C	94 ^%	1016.9 hPa	8 ^km	Calm				Overcast
8:15 AM	12 ^°C	10 ^°C	88 ^%	1017.3 hPa	8 ^km	SSE (150°)	5.6 ^km/h			Overcast
8:35 AM	12 ^°C	10 ^°C	88 ^%	1017.6 hPa		East (90°)	5.6 ^km/h
8:55 AM	12 ^°C	10 ^°C	88 ^%	1017.9 hPa	8 ^km	NW (310°)	5.6 ^km/h			Partly Cloudy
9:15 AM	14 ^°C	7 ^°C	63 ^%	1017.9 hPa	8 ^km	West (270°)	9.3 ^km/h			Haze
9:35 AM	14 ^°C	8 ^°C	67 ^%	1018.3 hPa	8 ^km	West (280°)	9.3 ^km/h			Haze
9:55 AM	14 ^°C	8 ^°C	67 ^%	1019 hPa	9.7 ^km	West (280°)	14.8 ^km/h			Haze
10:15 AM	14 ^°C	7 ^°C	63 ^%	1019.3 hPa	8 ^km	WNW (300°)	16.7 ^km/h			Haze
10:35 AM	14 ^°C	7 ^°C	63 ^%	1019.3 hPa	8 ^km	WNW (300°)	13 ^km/h			Haze
10:55 AM	14 ^°C	7 ^°C	63 ^%	1019 hPa	9.7 ^km	WNW (300°)	13 ^km/h			Haze
11:15 AM	14 ^°C	8 ^°C	67 ^%	1018.6 hPa	8 ^km	WNW (290°)	9.3 ^km/h			Haze
11:35 AM	14 ^°C	8 ^°C	67 ^%	1018.3 hPa	8 ^km	West (260°)	13 ^km/h			Haze
11:55 AM	14 ^°C	8 ^°C	67 ^%	1018.3 hPa	8 ^km	WSW (250°)	9.3 ^km/h			Haze
12:15 PM	14 ^°C	8 ^°C	67 ^%	1017.9 hPa	9.7 ^km	West (260°)	11.1 ^km/h			Haze
12:35 PM	14 ^°C	8 ^°C	67 ^%	1017.9 hPa	8 ^km	WSW (250°)	13 ^km/h			Haze
12:55 PM	13 ^°C	10 ^°C	82 ^%	1018.3 hPa	1.9 ^km	WSW (240°)	11.1 ^km/h	29.6 ^km/h	Rain	Light Rain
1:10 PM	13 ^°C	10 ^°C	82 ^%	1017.6 hPa	8 ^km	WSW (250°)	11.1 ^km/h			Haze
1:35 PM	14 ^°C	9 ^°C	72 ^%	1017.3 hPa	9.7 ^km	WSW (240°)	9.3 ^km/h			Haze
1:55 PM	14 ^°C	9 ^°C	72 ^%	1016.9 hPa	12.9 ^km	SW (220°)	5.6 ^km/h			Clear
2:15 PM	14 ^°C	9 ^°C	72 ^%	1016.9 hPa	8 ^km	SSW (200°)	9.3 ^km/h			Haze
2:35 PM	14 ^°C	8 ^°C	67 ^%	1016.9 hPa	8 ^km	South (180°)	14.8 ^km/h			Haze
2:55 PM	14 ^°C	7 ^°C	63 ^%	1016.9 hPa	11.3 ^km	South (190°)	13 ^km/h			Overcast
3:15 PM	14 ^°C	7 ^°C	63 ^%	1016.9 hPa	11.3 ^km	South (180°)	13 ^km/h			Mostly Cloudy
3:35 PM	14 ^°C	7 ^°C	63 ^%	1017.3 hPa	6.4 ^km	South (190°)	9.3 ^km/h		Rain	Light Rain
3:55 PM	13 ^°C	8 ^°C	72 ^%	1017.6 hPa	8 ^km	SSW (200°)	9.3 ^km/h		Rain	Light Rain
4:15 PM	13 ^°C	8 ^°C	72 ^%	1017.6 hPa	4 ^km	SSW (200°)	13 ^km/h		Rain	Light Rain
4:35 PM	12 ^°C	9 ^°C	82 ^%	1017.3 hPa	3.2 ^km	South (190°)	14.8 ^km/h		Rain	Light Rain
4:55 PM	12 ^°C	10 ^°C	88 ^%	1017.3 hPa	6.4 ^km	ESE (120°)	9.3 ^km/h		Rain	Light Rain
5:15 PM	12 ^°C	10 ^°C	88 ^%	1017.3 hPa	11.3 ^km	ESE (120°)	14.8 ^km/h			Overcast
5:35 PM	12 ^°C	10 ^°C	88 ^%	1017.3 hPa	4.8 ^km	ESE (120°)	18.5 ^km/h		Rain	Light Rain
5:55 PM	12 ^°C	10 ^°C	88 ^%	1017.3 hPa	4.8 ^km	SE (130°)	14.8 ^km/h		Rain	Light Rain
6:15 PM	12 ^°C	10 ^°C	88 ^%	1017.6 hPa	3.2 ^km	SE (140°)	16.7 ^km/h		Rain	Light Rain
6:35 PM	12 ^°C	10 ^°C	88 ^%	1017.6 hPa	2.4 ^km	SE (140°)	16.7 ^km/h	25.9 ^km/h	Rain	Light Rain
6:55 PM	11 ^°C	10 ^°C	94 ^%	1017.9 hPa	2.4 ^km	SSE (150°)	13 ^km/h		Rain	Light Rain
7:15 PM	11 ^°C	10 ^°C	94 ^%	1017.9 hPa	4 ^km	ESE (120°)	14.8 ^km/h			Overcast
7:35 PM	11 ^°C	10 ^°C	94 ^%	1017.9 hPa	4.8 ^km	SE (130°)	18.5 ^km/h		Rain	Light Rain
7:55 PM	11 ^°C	10 ^°C	94 ^%	1017.9 hPa	2.4 ^km	SE (130°)	20.4 ^km/h			Overcast
8:15 PM	11 ^°C	10 ^°C	94 ^%	1017.9 hPa	6.4 ^km	SSE (150°)	20.4 ^km/h		Rain	Light Rain
8:35 PM	11 ^°C	10 ^°C	94 ^%	1018.3 hPa	8 ^km	SSE (150°)	18.5 ^km/h	27.8 ^km/h		Mostly Cloudy
8:55 PM	10 ^°C	10 ^°C	100 ^%	1017.6 hPa	4.8 ^km	ESE (120°)	18.5 ^km/h			Overcast
9:15 PM	10 ^°C	10 ^°C	100 ^%	1017.6 hPa	9.7 ^km	SE (130°)	14.8 ^km/h			Overcast
9:35 PM	11 ^°C	10 ^°C	94 ^%	1017.6 hPa	14.5 ^km	SE (130°)	16.7 ^km/h			Overcast
9:55 PM	11 ^°C	10 ^°C	94 ^%	1017.6 hPa	8 ^km	SE (130°)	13 ^km/h			Overcast
10:15 PM	11 ^°C	10 ^°C	94 ^%	1017.6 hPa	6.4 ^km	SE (130°)	13 ^km/h		Rain	Light Rain
10:35 PM	11 ^°C	10 ^°C	94 ^%	1017.6 hPa	12.9 ^km	ESE (120°)	11.1 ^km/h			Overcast
10:55 PM	11 ^°C	10 ^°C	94 ^%	1017.6 hPa	9.7 ^km	SE (140°)	9.3 ^km/h			Overcast
11:15 PM	11 ^°C	10 ^°C	94 ^%	1017.9 hPa	8 ^km	SE (140°)	16.7 ^km/h			Overcast
11:35 PM	12 ^°C	10 ^°C	88 ^%	1017.9 hPa	9.7 ^km	SE (130°)	14.8 ^km/h			Overcast
11:55 PM	12 ^°C	10 ^°C	88 ^%	1017.9 hPa	4.8 ^km	SE (140°)	11.1 ^km/h			Overcast

Hourly data recorded from KHAF, located 0 kilometers away from Half Moon Bay, California