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July Weather in Vredenburg South Africa

Daily high temperatures are around 62°F, rarely falling below 56°F or exceeding 71°F. The lowest daily average high temperature is 62°F on July 30.

Daily low temperatures are around 46°F, rarely falling below 40°F or exceeding 52°F. The lowest daily average low temperature is 46°F on July 13.

For reference, on February 3, the hottest day of the year, temperatures in Vredenburg typically range from 60°F to 77°F, while on July 13, the coldest day of the year, they range from 46°F to 62°F.

Average High and Low Temperature in July in Vredenburg

The daily average high (red line) and low (blue line) temperature, with 25th to 75th and 10th to 90th percentile bands. The thin dotted lines are the corresponding average perceived temperatures.

The figure below shows you a compact characterization of the hourly average temperatures for the quarter of the year centered on July. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Average Hourly Temperature in July in Vredenburg

Average Hourly Temperature in July in VredenburgJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMJunAugcoldcoldcool
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The average hourly temperature, color coded into bands. The shaded overlays indicate night and civil twilight.

Vicuña, Chile (5,066 miles away) is the far-away foreign place with temperatures most similar to Vredenburg (view comparison).

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The month of July in Vredenburg experiences gradually decreasing cloud cover, with the percentage of time that the sky is overcast or mostly cloudy decreasing from 33% to 28%.

The clearest day of the month is July 31, with clear, mostly clear, or partly cloudy conditions 72% of the time.

For reference, on May 17, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 38%, while on February 10, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 91%.

Cloud Cover Categories in July in Vredenburg

Cloud Cover Categories in July in VredenburgJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JunAugJul 167%Jul 167%Jul 3172%Jul 3172%Jul 1168%Jul 1168%Jul 2170%Jul 2170%clearmostly clearpartly cloudymostly cloudyovercast
0% clear 20% mostly clear 40% partly cloudy 60% mostly cloudy 80% overcast 100%
The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. In Vredenburg, the chance of a wet day over the course of July is essentially constant, remaining around 19% throughout.

For reference, the year's highest daily chance of a wet day is 20% on June 15, and its lowest chance is 3% on February 19.

Probability of Precipitation in July in Vredenburg

The percentage of days in which various types of precipitation are observed, excluding trace quantities: rain alone, snow alone, and mixed (both rain and snow fell in the same day).

Rainfall

To show variation within the month and not just the monthly total, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during July in Vredenburg is gradually decreasing, starting the month at 1.8 inches, when it rarely exceeds 3.3 inches or falls below 0.5 inches, and ending the month at 1.4 inches, when it rarely exceeds 2.5 inches or falls below 0.4 inches.

Average Monthly Rainfall in July in Vredenburg

Average Monthly Rainfall in July in VredenburgJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 in0.0 in0.5 in0.5 in1.0 in1.0 in1.5 in1.5 in2.0 in2.0 in2.5 in2.5 in3.0 in3.0 in3.5 in3.5 inJunAugJul 11.8 inJul 11.8 inJul 311.4 inJul 311.4 inJul 111.7 inJul 111.7 inJul 211.6 inJul 211.6 in
The average rainfall (solid line) accumulated over the course of a sliding 31-day period centered on the day in question, with 25th to 75th and 10th to 90th percentile bands. The thin dotted line is the corresponding average snowfall.

Over the course of July in Vredenburg, the length of the day is gradually increasing. From the start to the end of the month, the length of the day increases by 30 minutes, implying an average daily increase of 1 minute, 0 seconds, and weekly increase of 6 minutes, 57 seconds.

The shortest day of the month is July 1, with 10 hours, 1 minute of daylight and the longest day is July 31, with 10 hours, 31 minutes of daylight.

Hours of Daylight and Twilight in July in Vredenburg

The number of hours during which the Sun is visible (black line). From bottom (most yellow) to top (most gray), the color bands indicate: full daylight, twilight (civil, nautical, and astronomical), and full night.

The latest sunrise of the month in Vredenburg is 7:51 AM on July 1 and the earliest sunrise is 12 minutes earlier at 7:39 AM on July 31.

The earliest sunset is 5:52 PM on July 1 and the latest sunset is 17 minutes later at 6:10 PM on July 31.

Daylight saving time is not observed in Vredenburg during 2024.

For reference, on December 21, the longest day of the year, the Sun rises at 5:36 AM and sets 14 hours, 20 minutes later, at 7:56 PM, while on June 20, the shortest day of the year, it rises at 7:50 AM and sets 9 hours, 59 minutes later, at 5:49 PM.

Sunrise & Sunset with Twilight in July in Vredenburg

The solar day over the course of July. From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. The day, twilights (civil, nautical, and astronomical), and night are indicated by the color bands from yellow to gray.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

Solar Elevation and Azimuth in July in Vredenburg

Solar Elevation and Azimuth in July in VredenburgJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM2 AM2 AM4 AM4 AM6 AM6 AM8 AM8 AM10 AM10 AM12 PM12 PM2 PM2 PM4 PM4 PM6 PM6 PM8 PM8 PM10 PM10 PM12 AM12 AMJunAug00101020202030300001010202030303040
northeastsouthwest
Solar elevation and azimuth over the course of July 2024. The black lines are lines of constant solar elevation (the angle of the sun above the horizon, in degrees). The background color fills indicate the azimuth (the compass bearing) of the sun. The lightly tinted areas at the boundaries of the cardinal compass points indicate the implied intermediate directions (northeast, southeast, southwest, and northwest).

The figure below presents a compact representation of key lunar data for July 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

Moon Rise, Set & Phases in July in Vredenburg

Moon Rise, Set & Phases in July in VredenburgJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313112 AM12 AM4 AM4 AM8 AM8 AM12 PM12 PM4 PM4 PM8 PM8 PM12 AM12 AMJunAugJun 62:38 PMJun 62:38 PMJun 223:09 AMJun 223:09 AMJul 612:58 AMJul 612:58 AMJul 2112:18 PMJul 2112:18 PMAug 41:14 PMAug 41:14 PMAug 198:26 PMAug 198:26 PM7:43 AM7:43 AM5:33 PM5:33 PM5:05 PM5:05 PM8:24 AM8:24 AM8:29 AM8:29 AM6:19 PM6:19 PM4:54 PM4:54 PM8:00 AM8:00 AM7:49 AM7:49 AM6:13 PM6:13 PM6:07 PM6:07 PM7:53 AM7:53 AM
The time in which the moon is above the horizon (light blue area), with new moons (dark gray lines) and full moons (blue lines) indicated. The shaded overlays indicate night and civil twilight.
Jul 2024IlluminationMoonriseMoonsetMoonriseMeridian PassingDistance
1
24%3:11 AMENE2:00 PMWNW-8:35 AMN231,822 mi
2
15%4:20 AMENE2:39 PMWNW-9:29 AMN233,215 mi
3
8%5:29 AMENE3:24 PMWNW-10:26 AMN234,932 mi
4
3%6:36 AMNE4:17 PMNW-11:26 AMN236,964 mi
5
0%7:36 AMNE5:16 PMNW-12:27 PMN239,261 mi
6
0%8:29 AMENE6:19 PMWNW-1:24 PMN241,726 mi
7
3%9:13 AMENE7:23 PMWNW-2:18 PMN244,222 mi
8
7%9:50 AMENE8:24 PMWNW-3:07 PMN246,579 mi
9
13%10:21 AMENE9:23 PMWNW-3:52 PMN248,618 mi
10
20%10:48 AMENE10:19 PMW-4:33 PMN250,165 mi
11
29%11:13 AME11:14 PMW-5:12 PMN251,071 mi
12
38%11:36 AME--5:51 PMN251,221 mi
13
48%-12:09 AMW12:00 PME6:30 PMN250,554 mi
14
50%-1:04 AMWSW12:25 PMESE7:10 PMN249,069 mi
15
67%-2:00 AMWSW12:53 PMESE7:53 PMN246,829 mi
16
76%-3:00 AMWSW1:26 PMESE8:41 PMN243,970 mi
17
85%-4:02 AMWSW2:05 PMESE9:33 PMN240,691 mi
18
92%-5:06 AMWSW2:52 PMESE10:29 PMN237,245 mi
19
97%-6:09 AMSW3:49 PMSE11:29 PMN233,924 mi
20
99%-7:08 AMSW4:54 PMESE--
21
100%-8:00 AMWSW6:05 PMESE12:30 AMN231,016 mi
22
100%-8:45 AMWSW7:18 PMESE1:29 AMN228,766 mi
23
97%-9:23 AMWSW8:29 PMESE2:24 AMN227,329 mi
24
91%-9:57 AMWSW9:39 PME3:16 AMN226,759 mi
25
83%-10:28 AMW10:48 PME4:06 AMN227,010 mi
26
72%-10:57 AMW11:55 PME4:54 AMN227,958 mi
27
61%-11:28 AMWNW-5:42 AMN229,445 mi
28
50%1:03 AMENE12:01 PMWNW-6:32 AMN231,303 mi
29
38%2:12 AMENE12:38 PMWNW-7:25 AMN233,390 mi
30
27%3:21 AMENE1:21 PMWNW-8:21 AMN235,597 mi
31
18%4:27 AMENE2:11 PMNW-9:19 AMN237,853 mi

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy in Vredenburg is essentially constant during July, remaining around 0% throughout.

For reference, on February 13, the muggiest day of the year, there are muggy conditions 2% of the time, while on May 4, the least muggy day of the year, there are muggy conditions 0% of the time.

Humidity Comfort Levels in July in Vredenburg

Humidity Comfort Levels in July in VredenburgJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%0%10%10%20%20%30%30%40%40%50%50%60%60%70%70%80%80%90%90%100%100%JunAugJul 10%Jul 10%Jul 310%Jul 310%Jul 110%Jul 110%Jul 210%Jul 210%comfortablecomfortabledrydry
dry 55°F comfortable 60°F humid 65°F muggy 70°F oppressive 75°F miserable
The percentage of time spent at various humidity comfort levels, categorized by dew point.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed in Vredenburg is essentially constant during July, remaining within 0.1 miles per hour of 11.0 miles per hour throughout.

For reference, on January 21, the windiest day of the year, the daily average wind speed is 14.3 miles per hour, while on May 2, the calmest day of the year, the daily average wind speed is 10.0 miles per hour.

Average Wind Speed in July in Vredenburg

The average of mean hourly wind speeds (dark gray line), with 25th to 75th and 10th to 90th percentile bands.

The wind direction in Vredenburg during July is predominantly out of the north from July 1 to July 23 and the south from July 23 to July 31.

Wind Direction in July in Vredenburg

Wind Direction in July in VredenburgNSJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%20%80%40%60%60%40%80%20%100%0%JunAugwestsouthnortheast
northeastsouthwest
The percentage of hours in which the mean wind direction is from each of the four cardinal wind directions, excluding hours in which the mean wind speed is less than 1.0 mph. The lightly tinted areas at the boundaries are the percentage of hours spent in the implied intermediate directions (northeast, southeast, southwest, and northwest).

Vredenburg is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature in Vredenburg is essentially constant during July, remaining around 58°F throughout.

The lowest average surface water temperature during July is 58°F on July 27.

Average Water Temperature in July in Vredenburg

Average Water Temperature in July in VredenburgJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313156°F56°F57°F57°F58°F58°F59°F59°F60°F60°F61°F61°F62°F62°FJunAugJul 2758°FJul 2758°FJul 158°FJul 158°FJul 1158°FJul 1158°F
The daily average water temperature (purple line), with 25th to 75th and 10th to 90th percentile bands.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Temperatures in Vredenburg are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Time Spent in Various Temperature Bands and the Growing Season in July in Vredenburg

Time Spent in Various Temperature Bands and the Growing Season in July in VredenburgJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JunAug100%Jul 16100%Jul 16100%Jul 2100%Jul 2very coldcoldcoolcomfortable
frigid 15°F freezing 32°F very cold 45°F cold 55°F cool 65°F comfortable 75°F warm 85°F hot 95°F sweltering
The percentage of time spent in various temperature bands. The black line is the percentage chance that a given day is within the growing season.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days in Vredenburg are gradually increasing during July, increasing by 143°F, from 0°F to 144°F, over the course of the month.

Growing Degree Days in July in Vredenburg

Growing Degree Days in July in VredenburgJul112233445566778899101011111212131314141515161617171818191920202121222223232424252526262727282829293030313120°F20°F40°F40°F60°F60°F80°F80°F100°F100°F120°F120°F140°F140°F160°F160°F180°F180°FJunAugJul 10°FJul 10°FJul 31144°FJul 31144°FJul 1149°FJul 1149°FJul 2196°FJul 2196°F
The average growing degree days accumulated over the course of July, with 25th to 75th and 10th to 90th percentile bands.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy in Vredenburg is gradually increasing during July, rising by 0.6 kWh, from 2.8 kWh to 3.4 kWh, over the course of the month.

Average Daily Incident Shortwave Solar Energy in July in Vredenburg

Average Daily Incident Shortwave Solar Energy in July in VredenburgJul11223344556677889910101111121213131414151516161717181819192020212122222323242425252626272728282929303031310.0 kWh0.0 kWh0.5 kWh0.5 kWh1.0 kWh1.0 kWh1.5 kWh1.5 kWh2.0 kWh2.0 kWh2.5 kWh2.5 kWh3.0 kWh3.0 kWh3.5 kWh3.5 kWh4.0 kWh4.0 kWh4.5 kWh4.5 kWh5.0 kWh5.0 kWh5.5 kWh5.5 kWhJunAugJul 12.8 kWhJul 12.8 kWhJul 313.4 kWhJul 313.4 kWhJul 112.9 kWhJul 112.9 kWhJul 213.1 kWhJul 213.1 kWh
The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands.

For the purposes of this report, the geographical coordinates of Vredenburg are -32.907 deg latitude, 17.990 deg longitude, and 423 ft elevation.

The topography within 2 miles of Vredenburg contains only modest variations in elevation, with a maximum elevation change of 440 feet and an average elevation above sea level of 373 feet. Within 10 miles contains only modest variations in elevation (915 feet). Within 50 miles contains very significant variations in elevation (4,793 feet).

The area within 2 miles of Vredenburg is covered by cropland (69%) and artificial surfaces (25%), within 10 miles by cropland (62%) and water (18%), and within 50 miles by water (66%) and cropland (21%).

This report illustrates the typical weather in Vredenburg, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016.

Temperature and Dew Point

There are 2 weather stations near enough to contribute to our estimation of the temperature and dew point in Vredenburg.

For each station, the records are corrected for the elevation difference between that station and Vredenburg according to the International Standard Atmosphere , and by the relative change present in the MERRA-2 satellite-era reanalysis between the two locations.

The estimated value at Vredenburg is computed as the weighted average of the individual contributions from each station, with weights proportional to the inverse of the distance between Vredenburg and a given station.

The stations contributing to this reconstruction are:

  • AFB Langebaanweg (FALW, 95%, 11 mi, southeast, -318 ft elevation change)
  • Vredendal (FAVR, 4.6%, 93 mi, north, -95 ft elevation change)

To get a sense of how much these sources agree with each other, you can view a comparison of Vredenburg and the stations that contribute to our estimates of its temperature history and climate. Please note that each source's contribution is adjusted for elevation and the relative change present in the MERRA-2 data.

Other Data

All data relating to the Sun's position (e.g., sunrise and sunset) are computed using astronomical formulas from the book, Astronomical Algorithms 2nd Edition , by Jean Meeus.

All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid.

Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations.

Elevation data comes from the Shuttle Radar Topography Mission (SRTM) , published by NASA's Jet Propulsion Laboratory.

Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database .

Time zones for airports and weather stations are provided by AskGeo.com .

Maps are © OpenStreetMap contributors.

Disclaimer

The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Weather data is prone to errors, outages, and other defects. We assume no responsibility for any decisions made on the basis of the content presented on this site.

We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands.

We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader.

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