Weather in Eilean Siar

Calculated from weather data of Benbecula Airport (EGPL) between 2020 and 2024.

Maximum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	46.0	46.0	46.0	48.0	42.0	48.0
February	46.0	47.0	49.0	46.0	44.0	45.0
March	47.0	48.0	46.0	49.0	48.0	46.0
April	52.0		52.0	52.0	49.0	52.0
May	56.0		56.0	56.0	53.0	56.0
June	60.0		65.0	59.0	58.0	59.0
July	62.0		62.0	60.0	63.0	59.0
August	61.0		62.0	61.0	62.0	62.0
September	59.0		60.0	60.0	60.0	58.0
October	54.0		54.0	55.0	55.0	53.0
November	50.0		49.0	52.0	51.0	51.0
December	46.0		47.0	44.0	47.0	46.0
Average	52.0	47.0	54.0	54.0	53.0	53.0

86th highest temperature of United Kingdom

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	39.0	37	39	43	33	42
February	39.0	39	42	39	38	38
March	39.0	39	37	40	41	38
April	41.0		42	42	37	41
May	46.0		48	48	42	46
June	51.0		53	51	50	51
July	53.0		52	53	55	51
August	53.0		54	53	53	52
September	51.0		52	51	53	50
October	47.0		47	49	47	45
November	42.0		40	45	44	45
December	40.0		38	37	41	39
Average	44.0	38.0	45.0	46.0	44.0	45.0

60th lowest temperature of United Kingdom

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
86 °F or warmer	0	0	0	0	0
77 °F or warmer	0	0	0	0	0
68 °F or warmer	0	14	1	3	4
32 °F or colder	13	18	3	18	6

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	23.1	21	25	27	22	36
February	21.9	25	22	20	20	27
March	17.5	9	18	13	22	23
April	11.5		14	18	8	6
May	12.9		7	16	14	11
June	13.8		12	21	13	13
July	12.9		13	11	7	15
August	13.9		12	12	8	8
September	18.6		18	14	17	22
October	22.2		15	22	32	21
November	21.8		18	25	27	19
December	24.9		28	16	24	24
Average	16.7	17.3	15.2	17.0	15.9	16.8

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (miles per hour)

Month	Average	2024	2023	2022	2021	2020
January	17.7	19	17	21	13	23
February	19.9	16	19	24	24	25
March	16.8	17	14	17	17	18
April	15.1		16	14	14	13
May	14.5		14	17	13	15
June	14.0		11	16	15	13
July	13.0		14	14	8	15
August	13.7		14	15	10	13
September	15.9		16	15	14	17
October	18.1		19	19	17	15
November	16.3		13	17	19	18
December	15.7		18	14	13	18
Average	15.7	17.1	14.8	16.5	14.1	16.0

1st highest wind speed of United Kingdom

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	SW	SW	SW	N	SW
February	SW	SW	W	S	SW
March	SE	SE	S	SW	SW
April		SE	SE	NW	SW
May		SW	SW	NE	SW
June		S	S	SW	N
July		NW	SW	NW	W
August		SW	SW	NE	SE
September		SW	W	S	SW
October		SE	SW	SW	NW
November		NE	S	W	SW
December		SW	E	S	SW

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Eilean Siar weather Q&A

What is the warmest month in Eilean Siar?

The warmest month is July with an average temperature of 62 °F over the past years.

What is the coldest month in Eilean Siar?

The coldest month is January with an average daytime temperature of 46 °F in the past few years.

Which month is the wettest in Eilean Siar?

Chance of precipitation is the highest in December with a probability of around 24.9 %.

Which month is the driest in Eilean Siar?

The least rainfall and snow can be expected in April. The probability is about 11.5 %.