Weather in Greenwood County

Calculated from weather data of Lt. William M Milliken Airport (K13K) between 2020 and 2024.

Maximum temperatures (°F)

Month	Average	2024	2023	2022	2021	2020
January	46.0	48.0	48.0	47.0	45.0	45.0
February	48.0	60.0	53.0	49.0	36.0	49.0
March	60.0	61.0	58.0	61.0	63.0	62.0
April	64.0	32.0	72.0	69.0	68.0	69.0
May	74.0		78.0	76.0	72.0	72.0
June	87.0		89.0	85.0	88.0	89.0
July	90.0		92.0	94.0	87.0	90.0
August	90.0		95.0	94.0	90.0	87.0
September	85.0		89.0	87.0	85.0	79.0
October	70.0		72.0	74.0	73.0	67.0
November	59.0		60.0	55.0	61.0	63.0
December	51.0		51.0	47.0	60.0	51.0
Average	63.0	51.0	72.0	70.0	69.0	68.0

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	25.0	32	27	20	27	27
February	25.0	35	26	22	16	27
March	37.0	37	35	34	41	40
April	43.0	32	43	45	44	43
May	55.0		55	58	55	53
June	65.0		62	63	67	67
July	68.0		65	70	68	70
August	67.0		64	67	69	66
September	61.0		61	60	62	57
October	46.0		48	46	51	44
November	35.0		36	32	37	39
December	29.0		32	30	32	27
Average	42.0	34.0	47.0	46.0	47.0	46.0

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	99	93	75	76
77 °F or warmer	5	165	159	136	131
68 °F or warmer	17	206	198	209	199
32 °F or colder	21	79	91	75	90

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	6.1	5	5	4	7	7
February	8.6	4	3	7	23	7
March	4.8	3	4	6	6	4
April	3.1	3	3	1	6	3
May	6.7		6	9	11	5
June	2.7		2	3	5	3
July	2.3		2	3	3	3
August	1.7		0	2	0	0
September	2.0		3	2	2	2
October	5.3		7	2	6	5
November	3.7		8	4	1	3
December	3.2		3	2	0	3
Average	4.0	3.3	3.8	3.8	5.5	3.5

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	12.3	8	12	13	13	13
February	13.4	14	14	14	13	12
March	14.8	16	15	15	16	12
April	15.6	17	16	17	15	14
May	12.1		10	14	12	12
June	10.8		9	10	11	14
July	10.1		11	10	9	10
August	10.0		11	10	11	10
September	11.1		11	11	11	11
October	13.2		14	13	13	13
November	12.9		12	14	13	14
December	12.0		12	12	12	12
Average	12.7	15.0	12.1	12.8	12.2	12.1

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	NW	W	NW	NW	NW
February	SW	SW	NW	N	NW
March	SW	N	W	S	S
April	SW	SW	S	SW	SW
May		SE	SE	SE	NE
June		SE	SE	S	S
July		S	SE	SE	SE
August		S	SE	S	SE
September		S	SE	S	SE
October		NW	W	W	S
November		S	SW	SW	S
December		W	SW	SW	NW

Prevailing wind direction

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

Greenwood County weather Q&A

What is the warmest month in Greenwood County?

The warmest month is July with an average temperature of 90 °F over the past years.

What is the coldest month in Greenwood County?

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

Which month is the wettest in Greenwood County?

Chance of precipitation is the highest in February with a probability of around 8.6 %.

Which month is the driest in Greenwood County?

The least rainfall and snow can be expected in August. The probability is about 1.7 %.