Can the control weather spell change the temperature?


Rules Questions

Scarab Sages

I was looking at the spell Control Weather and I started wondering can you use it to change the temperature. Obviously you can "change" the temeperature in appropriate seasons e.g. a heat wave in summer. What I'm wondering is whether you can just adjust it within the normal range for the season outside that e.g. making a warm summer day a cool summer day but not a cold winter day?


"You control the general tendencies of the weather, such as the direction and intensity of the wind"

I think as long as it is appropriate, you should be able to control the temperature


The answer, at least to any meaningful degree, would be no. You could maybe say you're raising the ambient air pressure, which would increase the temperature as it usually does along storm fronts, but only a few degrees Fahrenheit. Likewise, after the rain even as temperature drops with the effects of evaporation, its not enough to push it into a level of cold exposure.


You change the weather in the local area. It takes 10 minutes to cast the spell and an additional 10 minutes for the effects to manifest. You can call forth weather appropriate to the climate and season of the area you are in. You can also use this spell to cause the weather in the area to become calm and normal for the season.

The bolded section states you call forth weather appropriate for the climate and season. Changing the temperature to something within the normal parameters of the climate and season easily falls within calling forth appropriate weather. They even list that in the chart under Autumn. The chart is only examples of what it can do, other appropriate weather should be allowed.


As others have said, you can affect the weather and conditions (like temperature likely) within the limits of the area for the season.

As an extreme example, the Sahara Desert averages between 30—50 °C (86—122 °F) during its hot season (there have been higher and lower recordings). Typical human thermal comfort range is about 20—22°C (68—72 °F). People in hotter regions have likely adapted a bit more, to 26–28 °C (79–82 °F) in places like Nigeria. Still the Sahara is very hot. You could likely bring it down to 30°C or 86°F, but it's still going to be uncomfortable to very uncomfortable for most people.

It's a similar but opposite thing with the Gobi Desert, which is much colder and works its way up to pleasant during the summer. In less extremes locations (or more accommodating seasons), you can probably get the temperature close to human comfort, either increasing or decreasing it.

You can also clear or create the conditions for atmospheric phenomena, which I believe could be heat lightning, aurora borealis, sun pillars or halos, or clouds (assuming those are possible for the area during the season). Clouds might not be a great option in the Sahara during the hot season (the might only be tiny or high wispy trails normally). In some other region or season, they could be an option and, if suitably pervasive or expansive, could shade the sun a bit and lower temperature (or trap more heat and increase it like a greenhouse depending on the humidity maybe). That's a GM's call on how that behaves, since you have no real control over them other than wind strength or intensity. You could try and increase the wind speed for a breeze, but if the area is hot, you aren't going to get a cooling breeze, it'll be a hot wind (possibly carrying sand or starting a sandstorm if intense enough and in a desert).


Pizza Lord wrote:
aurora borealis

Aurora Borealis? At this time of year? At this time of day? In this part of the country? Localized entirely in your game room?


I don't think aurora borealis can be changed by control weather because is not a weather effect but a affect from the sun striking with the magnetic field of the planet


Zepheri wrote:
I don't think aurora borealis can be changed by control weather because is not a weather effect but a affect from the sun striking with the magnetic field of the planet

That's fair in your games. But anyone else that thinks it's an atmospheric phenomena might read:

Control Weather wrote:
Control weather can do away with atmospheric phenomena (naturally occurring or otherwise) as well as create them.

As allowing the spell to do away with or create it (if in the right region and time of year).

I think the auroras are considered atmospheric phenomena. They are in the upper-atmosphere, certainly, and most definitions or explanations seem to use the word 'phenomenon'
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