Annual mean 12°C · wettest around January · prevailing wind S
Warmest
25.7 °C
Coldest
5.8 °C
Wettest
22%
Windiest
3.5 m/s
Prevailing
S
2.6 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Hillsboro over the whole year is 12°C. August is the hottest month, with highs of about 27°C; February is the coldest, with lows of about 3°C. The rainy (wet) season in Hillsboro runs from October to April, peaking in January with a 26% chance of rain on a given day. The dry season is May to September; July is the driest month, at 3%. Winds in Hillsboro are highest in January, averaging 2.5 m/s (9 km/h), and lightest in September, at 1.8 m/s (6 km/h). The prevailing wind is from the S. The clearest skies in Hillsboro come in July, when the sky is typically 26% covered; December is the cloudiest month, at 74%.
Month by month Hillsboro climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
7°C
3°C
3°C
26%
72%
2.5 m/s
0
0
27
February
7°C
3°C
4°C
23%
72%
2.4 m/s
0
0
31
March
10°C
4°C
7°C
21%
64%
2.4 m/s
6
0
53
April
14°C
6°C
11°C
16%
57%
2.4 m/s
23
2
75
May
19°C
10°C
16°C
11%
51%
2.2 m/s
56
8
82
June
22°C
13°C
19°C
9%
43%
2.3 m/s
73
19
73
July
27°C
15°C
24°C
3%
26%
2.3 m/s
81
42
51
August
27°C
14°C
24°C
3%
28%
2.1 m/s
77
46
46
September
21°C
12°C
20°C
9%
44%
1.8 m/s
83
19
72
October
16°C
8°C
13°C
18%
54%
1.8 m/s
42
3
82
November
10°C
6°C
7°C
25%
70%
2.1 m/s
5
0
52
December
7°C
4°C
3°C
24%
74%
2.2 m/s
0
0
24
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Hillsboro weather by season
Year round, Hillsboro has days of about 7°C at their warmest in December, its coolest month, and 27°C in August, its warmest; the coolest hours of the day run from 3°C to 15°C through the year, and the average temperature over the year is 12°C around the clock. Rain is most likely around January and least likely around July. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Hillsboro weather in winterDecember to February
High 7°CLow 3°CRain 24%
Winter in Hillsboro has typical daily highs of about 7°C and lows of about 3°C, with a 24% chance of rain on a given day.
Hillsboro weather in springMarch to May
High 15°CLow 7°CRain 16%
Spring in Hillsboro has typical daily highs of about 15°C and lows of about 7°C, with a 16% chance of rain on a given day.
Hillsboro weather in summerJune to August
High 25°CLow 14°CRain 5%
Summer in Hillsboro has typical daily highs of about 25°C and lows of about 14°C, with a 5% chance of rain on a given day.
Hillsboro weather in autumnSeptember to November
High 16°CLow 8°CRain 17%
Autumn in Hillsboro has typical daily highs of about 16°C and lows of about 8°C, with a 17% chance of rain on a given day.
When is the rainy season in Hillsboro?
The rainy (wet) season in Hillsboro runs from October to April, peaking in January with a 26% chance of rain on a given day. The dry season is May to September; July is the driest month, at 3%.
What time of year is Hillsboro windiest?
Winds in Hillsboro are highest in January, averaging 2.5 m/s (9 km/h), and lightest in September, at 1.8 m/s (6 km/h). The prevailing wind is from the S.
What is the average temperature in Hillsboro year round?
The average temperature in Hillsboro over the whole year is 12°C. August is the hottest month, with highs of about 27°C; February is the coldest, with lows of about 3°C.