The best times to visit Derby for ideal weather are
February 5th to May 20th
August 13th to November 4th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Derby Travel Guide
Other Derby Travel Info
Weather in Derby
Average temperatures in Derby vary somewhat. Considering humidity, temperatures feel very nice much of the year, but hot in the summer and cold in the winter with a low chance of precipitation most of the year. The area is somewhat temperate — in the 52nd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Derby, the hottest months are February, January, and then December. See average monthly temperatures below. The warmest time of year is generally early January where highs are regularly around 90.5°F (32.5°C) with temperatures rarely dropping below 64.4°F (18°C) at night.
Derby Temperatures (Fahrenheit)
Derby Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
Derby Perceived Temperature (F)
Derby Perceived Temperature (C)
Average Derby Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Derby are July, August, and then June. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid May. For example, on the week of May 14th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid to late November with an average of 2 days of significant precipitation the week of November 19th.
When can you find snow in Derby? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in Derby.
Snow on the Ground
The graph below shows the average snow on the ground in Derby (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Derby has some comfortably humid months, and dry months in the opposite season. The least humid month is September (23.1% relative humidity), and the most humid month is March (49.1%).
Wind in Derby is usually extremely calm. The windiest month is April, followed by October and September. April’s average wind speed of around 3.7 knots (4.3 MPH or 6.9 KPH) is considered “light air.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late January where average top sustained speeds reach 7.3 knots, which is considered a gentle breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Derby.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||2.7||Barely noticeable||5.7||Light breeze|
|Feb||2.8||Barely noticeable||5||Light breeze|
|Mar||3.3||Barely noticeable||5.6||Light breeze|
|Apr||3.7||Barely noticeable||6||Light breeze|
|May||2.9||Barely noticeable||5.1||Light breeze|
|Jun||2.8||Barely noticeable||5.3||Light breeze|
|Jul||2.9||Barely noticeable||5.1||Light breeze|
|Aug||3.3||Barely noticeable||5.6||Light breeze|
|Sep||3.4||Barely noticeable||5.7||Light breeze|
|Oct||3.5||Barely noticeable||5.9||Light breeze|
|Nov||3.4||Barely noticeable||6||Light breeze|
|Dec||2.9||Barely noticeable||5.8||Light breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Derby?
Our best data indicates this area is somewhat safe. As of Oct 07, 2019 there are travel warnings for South Africa; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Aug 22, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Derby, South Africa is August, followed by June and February. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Derby in December. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall Derby Travel Experience by Season
Fall (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 87.5°F (30.8°C) and 74.8°F (23.8°C) with colder temperatures in the later months. Rain is somewhat common with 1 to 6 days of significant precipitation per month. Fall is the second busiest for tourism, which makes it a good time for those looking for things to do.
Winter (June through August)
The middle-year months have cold weather with high temperatures that are comfortable. These months see the least precipitation with about 0 days of precipitation per month. June – August is the busiest season for tourism in Derby, so lodging and other accommodations may cost more than usual.
Spring (September through November)
Spring daily highs range from 90.5°F (32.5°C) and 84.1°F (28.9°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 1 to 6 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Summer (December through February)
Weather is perfect this time of year in Derby to be enjoyable for warm weather travelers. The average high during this season is between 90.4°F (32.4°C) and 87.4°F (30.8°C). On average, it rains or snows a fair amount: 4 to 6 times per month. These times of year are fairly slow with tourists.